Fix mDNS UDP leak when JoinMulticastGroup fails

[kghost]

Problem

The UDP endpoint should be freed when JoinMulticastGroup fails

Change overview

Free the endpoint when JoinMulticastGroup fails

Testing

Checked by unit-tests

[github-actions]

PR #13184: Size comparison from bf7feea to 12ced44

Increases (8 builds for esp32, linux, mbed, p6)

platform	target	config	section	bf7feea	12ced44	change	% change
esp32	all-clusters-app	c3devkit	(read only)	883166	883180	14	0.0
			.flash.text	883166	883180	14	0.0
		m5stack	(read only)	943435	943471	36	0.0
			.flash.text	938051	938087	36	0.0
linux	thermostat-no-ble	arm64	(read only)	2017908	2017924	16	0.0
			.text	1676304	1676320	16	0.0
mbed	lighting-app	CY8CPROTO_062_4343W+release	(read/write)	2330576	2330640	64	0.0
			.text	1293176	1293240	64	0.0
	shell	CY8CPROTO_062_4343W+release	(read/write)	2053688	2053752	64	0.0
			.text	1016288	1016352	64	0.0
p6	all-clusters-app	default	(read/write)	2392056	2392072	16	0.0
			.text	1350320	1350336	16	0.0
	light-app	default	(read/write)	2325104	2325120	16	0.0
			.text	1283368	1283384	16	0.0
	lock-app	default	(read/write)	2297312	2297328	16	0.0
			.text	1255576	1255592	16	0.0

Full report (31 builds for efr32, esp32, k32w, linux, mbed, nrfconnect, p6, qpg, telink)

platform	target	config	section	bf7feea	12ced44	change	% change
efr32	lighting-app	BRD4161A	(read only)	830568	830568	0	0.0
			(read/write)	127384	127384	0	0.0
			.bss	125504	125504	0	0.0
			.data	1876	1876	0	0.0
			.text	830560	830560	0	0.0
		BRD4161A+rpc	(read only)	818196	818196	0	0.0
			(read/write)	144048	144048	0	0.0
			.bss	142072	142072	0	0.0
			.data	1976	1976	0	0.0
			.text	818188	818188	0	0.0
	window-app	BRD4161A	(read only)	803944	803944	0	0.0
			(read/write)	126320	126320	0	0.0
			.bss	124488	124488	0	0.0
			.data	1832	1832	0	0.0
			.text	803936	803936	0	0.0
esp32	all-clusters-app	c3devkit	(read only)	883166	883180	14	0.0
			(read/write)	1312986	1312986	0	0.0
			.dram0.bss	69384	69384	0	0.0
			.dram0.data	14220	14220	0	0.0
			.flash.rodata	176320	176320	0	0.0
			.flash.text	883166	883180	14	0.0
			.iram0.text	62254	62254	0	0.0
		m5stack	(read only)	943435	943471	36	0.0
			(read/write)	442080	442080	0	0.0
			.dram0.bss	73888	73888	0	0.0
			.dram0.data	34056	34056	0	0.0
			.flash.rodata	203128	203128	0	0.0
			.flash.text	938051	938087	36	0.0
			.iram0.text	122671	122671	0	0.0
k32w	light	k32w061+release	(read/write)	648764	648764	0	0.0
			.bss	76512	76512	0	0.0
			.data	1904	1904	0	0.0
			.text	564548	564548	0	0.0
	lock	k32w061+release	(read/write)	633472	633472	0	0.0
			.bss	76224	76224	0	0.0
			.data	1860	1860	0	0.0
			.text	549588	549588	0	0.0
linux	chip-tool-ipv6only	arm64	(read only)	7006076	7006076	0	0.0
			(read/write)	326289	326289	0	0.0
			.bss	54641	54641	0	0.0
			.data	1096	1096	0	0.0
			.data.rel.ro	210144	210144	0	0.0
			.dynamic	560	560	0	0.0
			.got	56712	56712	0	0.0
			.init	24	24	0	0.0
			.init_array	168	168	0	0.0
			.rodata	384228	384228	0	0.0
			.text	5928548	5928548	0	0.0
	thermostat-no-ble	arm64	(read only)	2017908	2017924	16	0.0
			(read/write)	144497	144497	0	0.0
			.bss	64417	64417	0	0.0
			.data	880	880	0	0.0
			.data.rel.ro	72376	72376	0	0.0
			.dynamic	560	560	0	0.0
			.got	3888	3888	0	0.0
			.init	24	24	0	0.0
			.init_array	296	296	0	0.0
			.rodata	128932	128932	0	0.0
			.text	1676304	1676320	16	0.0
mbed	all-clusters-app	CY8CPROTO_062_4343W+release	(read only)	6224	6224	0	0.0
			(read/write)	2340104	2340104	0	0.0
			.bss	188660	188660	0	0.0
			.data	5272	5272	0	0.0
			.text	1302680	1302680	0	0.0
	lighting-app	CY8CPROTO_062_4343W+release	(read only)	6224	6224	0	0.0
			(read/write)	2330576	2330640	64	0.0
			.bss	180936	180936	0	0.0
			.data	5552	5552	0	0.0
			.text	1293176	1293240	64	0.0
	lock-app	CY8CPROTO_062_4343W+release	(read only)	6224	6224	0	0.0
			(read/write)	2303672	2303672	0	0.0
			.bss	179984	179984	0	0.0
			.data	5544	5544	0	0.0
			.text	1266272	1266272	0	0.0
	pigweed-app	CY8CPROTO_062_4343W+release	(read only)	6224	6224	0	0.0
			(read/write)	1140008	1140008	0	0.0
			.bss	11756	11756	0	0.0
			.data	4368	4368	0	0.0
			.text	103392	103392	0	0.0
	shell	CY8CPROTO_062_4343W+release	(read only)	6224	6224	0	0.0
			(read/write)	2053688	2053752	64	0.0
			.bss	156972	156972	0	0.0
			.data	4864	4864	0	0.0
			.text	1016288	1016352	64	0.0
nrfconnect	lighting-app	nrf52840dk_nrf52840	(read/write)	935967	935967	0	0.0
			bss	118428	118428	0	0.0
			rodata	108124	108124	0	0.0
			text	631864	631864	0	0.0
		nrf52840dk_nrf52840+rpc	(read/write)	922367	922367	0	0.0
			bss	115472	115472	0	0.0
			rodata	101540	101540	0	0.0
			text	627176	627176	0	0.0
		nrf5340dk_nrf5340_cpuapp	(read/write)	859730	859730	0	0.0
			bss	116712	116712	0	0.0
			rodata	103048	103048	0	0.0
			text	559308	559308	0	0.0
	lock-app	nrf52840dk_nrf52840	(read/write)	908111	908111	0	0.0
			bss	117616	117616	0	0.0
			rodata	103428	103428	0	0.0
			text	609692	609692	0	0.0
		nrf5340dk_nrf5340_cpuapp	(read/write)	832042	832042	0	0.0
			bss	115928	115928	0	0.0
			rodata	98392	98392	0	0.0
			text	537172	537172	0	0.0
	pigweed-app	nrf52840dk_nrf52840	(read/write)	542351	542351	0	0.0
			bss	52588	52588	0	0.0
			rodata	50668	50668	0	0.0
			text	376892	376892	0	0.0
	pump-app	nrf52840dk_nrf52840	(read/write)	909375	909375	0	0.0
			bss	117376	117376	0	0.0
			rodata	103644	103644	0	0.0
			text	610928	610928	0	0.0
	pump-controller-app	nrf52840dk_nrf52840	(read/write)	906191	906191	0	0.0
			bss	117404	117404	0	0.0
			rodata	102900	102900	0	0.0
			text	608440	608440	0	0.0
	shell	nrf52840dk_nrf52840	(read/write)	796079	796079	0	0.0
			bss	109464	109464	0	0.0
			rodata	78096	78096	0	0.0
			text	532048	532048	0	0.0
		nrf5340dk_nrf5340_cpuapp	(read/write)	708710	708710	0	0.0
			bss	107352	107352	0	0.0
			rodata	72396	72396	0	0.0
			text	449544	449544	0	0.0
p6	all-clusters-app	default	(read/write)	2392056	2392072	16	0.0
			.bss	116860	116860	0	0.0
			.data	2552	2552	0	0.0
			.text	1350320	1350336	16	0.0
	light-app	default	(read/write)	2325104	2325120	16	0.0
			.bss	106184	106184	0	0.0
			.data	2384	2384	0	0.0
			.text	1283368	1283384	16	0.0
	lock-app	default	(read/write)	2297312	2297328	16	0.0
			.bss	105064	105064	0	0.0
			.data	2336	2336	0	0.0
			.text	1255576	1255592	16	0.0
qpg	lighting-app	qpg6105+debug	(read only)	532232	532232	0	0.0
			(read/write)	146936	146936	0	0.0
			.bss	86840	86840	0	0.0
			.data	1004	1004	0	0.0
			.text	526912	526912	0	0.0
	lock-app	qpg6105+debug	(read only)	503912	503912	0	0.0
			(read/write)	146940	146940	0	0.0
			.bss	85976	85976	0	0.0
			.data	952	952	0	0.0
			.text	498592	498592	0	0.0
	persistent-storage-app	qpg6105+debug	(read only)	106448	106448	0	0.0
			(read/write)	146938	146938	0	0.0
			.bss	36146	36146	0	0.0
			.data	288	288	0	0.0
			.text	101128	101128	0	0.0
telink	lighting-app	tlsr9518adk80d	(read/write)	832258	832258	0	0.0
			bss	87088	87088	0	0.0
			noinit	37160	37160	0	0.0
			text	580366	580366	0	0.0