Update bridge app codegen to handle Optional<>

[achaulk-goog]

Optional was never properly handled in codegen, this recently caused some breakages

[github-actions]

PR #26229: Size comparison from 343634a to 5171a58

Decreases (1 build for cc32xx)

platform	target	config	section	343634a	5171a58	change	% change
cc32xx	lock	CC3235SF_LAUNCHXL	.debug_info	20330830	20330829	-1	-0.0

Full report (2 builds for cc32xx, mbed)

platform	target	config	section	343634a	5171a58	change	% change
cc32xx	lock	CC3235SF_LAUNCHXL		0	0	0	0.0
			(read only)	643249	643249	0	0.0
			(read/write)	203848	203848	0	0.0
			.ARM.attributes	44	44	0	0.0
			.ARM.exidx	8	8	0	0.0
			.bss	197248	197248	0	0.0
			.comment	194	194	0	0.0
			.data	1480	1480	0	0.0
			.debug_abbrev	933224	933224	0	0.0
			.debug_aranges	87792	87792	0	0.0
			.debug_frame	302140	302140	0	0.0
			.debug_info	20330830	20330829	-1	-0.0
			.debug_line	2687904	2687904	0	0.0
			.debug_loc	2838960	2838960	0	0.0
			.debug_ranges	288072	288072	0	0.0
			.debug_str	3042335	3042335	0	0.0
			.ramVecs	780	780	0	0.0
			.resetVecs	64	64	0	0.0
			.rodata	104401	104401	0	0.0
			.shstrtab	232	232	0	0.0
			.stab	204	204	0	0.0
			.stabstr	441	441	0	0.0
			.stack	2048	2048	0	0.0
			.strtab	377963	377963	0	0.0
			.symtab	256976	256976	0	0.0
			.text	536728	536728	0	0.0
mbed	lock-app	CY8CPROTO_062_4343W+release	(read only)	6224	6224	0	0.0
			(read/write)	2466336	2466336	0	0.0
			.bss	215960	215960	0	0.0
			.data	5888	5888	0	0.0
			.text	1428980	1428980	0	0.0

[bzbarsky-apple]

@achaulk-goog Does this fix #25799 ?

[jinbiaochenstayhungry]

this is a litter confuse to me, if a definition happens to be nullable and Optional ,how will this code works well. and i think every if statement had missed a return

[andy31415]

this is a litter confuse to me, if a definition happens to be nullable and Optional ,how will this code works well. and i think every if statement had missed a return

It does not return because it chains them - a type depends on a previous type. So if both optional and nullable I expect to see ::chip::Optional<::chip::app::DataModel::Nullable<....