fix casting-app error where binding cannot be re-read from storage

[chrisdecenzo]

Problem

What is being fixed? Examples:

• tv-casting-app bindings fail to load at startup

Change overview

• tv-app uses the wrong value for null cluster field when creating bingings

Testing

test using tv-app and tv-casting-app

[github-actions]

PR #17917: Size comparison from e4049f2 to 6e08490

Full report (14 builds for cyw30739, efr32, esp32, k32w, mbed, nrfconnect)

platform	target	config	section	e4049f2	6e08490	change	% change
cyw30739	light	cyw930739m2evb_01	(read/write)	626842	626842	0	0.0
			.app_xip_area	529392	529392	0	0.0
			.bss	80108	80108	0	0.0
			.data	692	692	0	0.0
			.rodata	0	0	0	0.0
			.text	0	0	0	0.0
	lock	cyw930739m2evb_01	(read/write)	621466	621466	0	0.0
			.app_xip_area	525488	525488	0	0.0
			.bss	78668	78668	0	0.0
			.data	656	656	0	0.0
			.rodata	0	0	0	0.0
			.text	0	0	0	0.0
	ota-requestor-no-progress-logging	cyw930739m2evb_01	(read/write)	574574	574574	0	0.0
			.app_xip_area	468952	468952	0	0.0
			.bss	88016	88016	0	0.0
			.data	568	568	0	0.0
			.rodata	0	0	0	0.0
			.text	112	112	0	0.0
efr32	lighting-app	BRD4161A	(read only)	907928	907928	0	0.0
			(read/write)	135112	135112	0	0.0
			.bss	133064	133064	0	0.0
			.data	2044	2044	0	0.0
			.text	907920	907920	0	0.0
		BRD4161A+rpc	(read only)	942296	942296	0	0.0
			(read/write)	151792	151792	0	0.0
			.bss	149544	149544	0	0.0
			.data	2248	2248	0	0.0
			.text	942288	942288	0	0.0
		BRD4161A+rs911x	(read only)	746244	746244	0	0.0
			(read/write)	129344	129344	0	0.0
			.bss	127372	127372	0	0.0
			.data	1972	1972	0	0.0
			.text	746236	746236	0	0.0
	lock-app	BRD4161A+wf200	(read only)	908808	908808	0	0.0
			(read/write)	126300	126300	0	0.0
			.bss	124380	124380	0	0.0
			.data	1920	1920	0	0.0
			.text	908800	908800	0	0.0
	window-app	BRD4161A	(read only)	845152	845152	0	0.0
			(read/write)	133200	133200	0	0.0
			.bss	131240	131240	0	0.0
			.data	1956	1956	0	0.0
			.text	845144	845144	0	0.0
esp32	all-clusters-app	c3devkit	(read only)	999918	999918	0	0.0
			(read/write)	1474562	1474562	0	0.0
			.dram0.bss	68360	68360	0	0.0
			.dram0.data	14428	14428	0	0.0
			.flash.rodata	207320	207320	0	0.0
			.flash.text	999918	999918	0	0.0
			.iram0.text	62020	62020	0	0.0
		m5stack	(read only)	1055315	1055315	0	0.0
			(read/write)	476968	476968	0	0.0
			.dram0.bss	73880	73880	0	0.0
			.dram0.data	34168	34168	0	0.0
			.flash.rodata	237084	237084	0	0.0
			.flash.text	1049931	1049931	0	0.0
			.iram0.text	123107	123107	0	0.0
k32w	light	k32w061+release	(read/write)	684720	684720	0	0.0
			.bss	81312	81312	0	0.0
			.data	2000	2000	0	0.0
			.text	599704	599704	0	0.0
	lock	k32w061+release	(read/write)	725564	725564	0	0.0
			.bss	81720	81720	0	0.0
			.data	1960	1960	0	0.0
			.text	640180	640180	0	0.0
mbed	lock-app	CY8CPROTO_062_4343W+release	(read only)	6224	6224	0	0.0
			(read/write)	2411340	2411340	0	0.0
			.bss	205860	205860	0	0.0
			.data	5848	5848	0	0.0
			.text	1373940	1373940	0	0.0
nrfconnect	all-clusters-app	nrf52840dk_nrf52840	(read/write)	1180647	1180647	0	0.0
			bss	141992	141992	0	0.0
			rodata	150872	150872	0	0.0
			text	809096	809096	0	0.0