Hook up reports to the current controller in iOS CHIPTool.

[bzbarsky-apple]

Fixes #16198

Problem

See #16198.

Change overview

Route the reports the whatever the currently active controller is, not to the controller that was active when the subscription was set up.

Testing

Did the steps from #16198, observed it working.

[github-actions]

PR #16253: Size comparison from 046100b to 8e9d43a

Full report (18 builds for cyw30739, efr32, esp32, k32w, linux, mbed, nrfconnect, p6, telink)

platform	target	config	section	046100b	8e9d43a	change	% change
cyw30739	light	cyw930739m2evb_01	(read/write)	602866	602866	0	0.0
			.app_xip_area	509948	509948	0	0.0
			.bss	75672	75672	0	0.0
			.data	596	596	0	0.0
			.rodata	0	0	0	0.0
			.text	0	0	0	0.0
	lock	cyw930739m2evb_01	(read/write)	560654	560654	0	0.0
			.app_xip_area	469264	469264	0	0.0
			.bss	74176	74176	0	0.0
			.data	560	560	0	0.0
			.rodata	0	0	0	0.0
			.text	0	0	0	0.0
	ota-requestor-no-progress-logging	cyw930739m2evb_01	(read/write)	570530	570530	0	0.0
			.app_xip_area	469492	469492	0	0.0
			.bss	83480	83480	0	0.0
			.data	520	520	0	0.0
			.rodata	0	0	0	0.0
			.text	112	112	0	0.0
efr32	lighting-app	BRD4161A	(read only)	920068	920068	0	0.0
			(read/write)	128768	128768	0	0.0
			.bss	126760	126760	0	0.0
			.data	2008	2008	0	0.0
			.text	920060	920060	0	0.0
		BRD4161A+rpc	(read only)	948872	948872	0	0.0
			(read/write)	144728	144728	0	0.0
			.bss	142536	142536	0	0.0
			.data	2188	2188	0	0.0
			.text	948864	948864	0	0.0
	window-app	BRD4161A	(read only)	850816	850816	0	0.0
			(read/write)	126728	126728	0	0.0
			.bss	124864	124864	0	0.0
			.data	1864	1864	0	0.0
			.text	850808	850808	0	0.0
esp32	all-clusters-app	c3devkit	(read only)	961626	961626	0	0.0
			(read/write)	1395066	1395066	0	0.0
			.dram0.bss	64064	64064	0	0.0
			.dram0.data	14188	14188	0	0.0
			.flash.rodata	197904	197904	0	0.0
			.flash.text	961626	961626	0	0.0
			.iram0.text	62016	62016	0	0.0
		m5stack	(read only)	1017135	1017135	0	0.0
			(read/write)	462284	462284	0	0.0
			.dram0.bss	69592	69592	0	0.0
			.dram0.data	34016	34016	0	0.0
			.flash.rodata	226840	226840	0	0.0
			.flash.text	1011751	1011751	0	0.0
			.iram0.text	123107	123107	0	0.0
k32w	light	k32w061+release	(read/write)	699568	699568	0	0.0
			.bss	77640	77640	0	0.0
			.data	1888	1888	0	0.0
			.text	614240	614240	0	0.0
	lock	k32w061+release	(read/write)	699872	699872	0	0.0
			.bss	77632	77632	0	0.0
			.data	1908	1908	0	0.0
			.text	614532	614532	0	0.0
linux	chip-tool-ipv6only	arm64	(read only)	9753668	9753668	0	0.0
			(read/write)	475441	475441	0	0.0
			.bss	44017	44017	0	0.0
			.data	1128	1128	0	0.0
			.data.rel.ro	371232	371232	0	0.0
			.dynamic	560	560	0	0.0
			.got	55264	55264	0	0.0
			.init	24	24	0	0.0
			.init_array	192	192	0	0.0
			.rodata	492348	492348	0	0.0
			.text	8211444	8211444	0	0.0
	thermostat-no-ble	arm64	(read only)	2207772	2207772	0	0.0
			(read/write)	149409	149409	0	0.0
			.bss	65681	65681	0	0.0
			.data	1024	1024	0	0.0
			.data.rel.ro	75368	75368	0	0.0
			.dynamic	560	560	0	0.0
			.got	4352	4352	0	0.0
			.init	24	24	0	0.0
			.init_array	360	360	0	0.0
			.rodata	136908	136908	0	0.0
			.text	1851552	1851552	0	0.0
mbed	lock-app	CY8CPROTO_062_4343W+release	(read only)	6224	6224	0	0.0
			(read/write)	2352908	2352908	0	0.0
			.bss	186660	186660	0	0.0
			.data	5752	5752	0	0.0
			.text	1315508	1315508	0	0.0
nrfconnect	all-clusters-app	nrf52840dk_nrf52840	(read/write)	1154267	1154267	0	0.0
			bss	146740	146740	0	0.0
			rodata	145356	145356	0	0.0
			text	787028	787028	0	0.0
p6	all-clusters-app	default	(read/write)	2492256	2492256	0	0.0
			.bss	120088	120088	0	0.0
			.data	2632	2632	0	0.0
			.text	1450520	1450520	0	0.0
	light-app	default	(read/write)	2396104	2396104	0	0.0
			.bss	113552	113552	0	0.0
			.data	2488	2488	0	0.0
			.text	1354368	1354368	0	0.0
	lock-app	default	(read/write)	2359648	2359648	0	0.0
			.bss	113296	113296	0	0.0
			.data	2448	2448	0	0.0
			.text	1317912	1317912	0	0.0
telink	lighting-app	tlsr9518adk80d	(read/write)	894098	894098	0	0.0
			bss	87448	87448	0	0.0
			noinit	37160	37160	0	0.0
			text	632098	632098	0	0.0