fix(feedback): Deep merge custom styles with defaults in FeedbackWidget #10953

Job	Run time
Ready-to-merge gate / Missing "ready-to-merge" label	4s
diff_check / diff_check	8s
Build legacy ios dev no-frameworks	31m 55s
Build legacy macos dev no-frameworks	20m 56s
Build legacy android dev no-frameworks	7m 50s
Build legacy ios dev dynamic-frameworks	28m 18s
Build legacy ios production dynamic-frameworks	37m 45s
Build new ios dev no-frameworks	37m 16s
Build legacy android production no-frameworks	13m 8s
Build legacy macos production no-frameworks	18m 54s
Build new android production no-frameworks	15m 46s
Build legacy ios production no-frameworks	36m 34s
Build new ios production no-frameworks	31m 19s
Build new android dev no-frameworks	13m 50s
Test ios production REV2	12m 10s
Test android production REV2	6m 30s
Ready-to-merge gate / Missing "ready-to-merge" label	4s
diff_check / diff_check	8s
Build legacy android dev no-frameworks	7m 50s
Build legacy android production no-frameworks	13m 8s
Build legacy ios production no-frameworks	36m 34s
Build legacy ios dev no-frameworks	31m 55s
Build legacy macos dev no-frameworks	20m 56s
Build legacy ios production dynamic-frameworks	37m 45s
Build legacy ios dev dynamic-frameworks	28m 18s
Build new android dev no-frameworks	13m 50s
Test android production REV2	5m 22s
Build new ios production no-frameworks	31m 19s
Build new android production no-frameworks	15m 46s
Build legacy macos production no-frameworks	18m 54s
Build new ios dev no-frameworks	37m 16s
Test ios production REV2	12m 10s
	10h 23m 38s

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