Fix the issue with changing immutable metadata structure in the contructor of `ReactNativeClient` #1649

Job	Run time
auth_token_check / auth_token_check	4s
diff_check / diff_check	8s
metrics (legacy, ios)	32m 42s
metrics (legacy, android)	17m 15s
metrics (new, android)	31m 14s
metrics (new, ios)	45m 47s
Build RN 0.65.3 legacy jsc android production no	7m 51s
Build RN 0.81.0 legacy hermes android production no	11m 5s
Build RN 0.65.3 legacy hermes android production no	7m 27s
Build RN 0.65.3 legacy jsc ios production no	23m 27s
Build RN 0.81.0 legacy hermes ios production static	24m 0s
Build RN 0.81.0 new hermes android production no	11m 15s
Build RN 0.65.3 legacy hermes ios production no	19m 29s
Build RN 0.81.0 legacy hermes ios production no	20m 28s
Build RN 0.81.0 legacy hermes ios production dynamic	23m 0s
Build RN 0.81.0 new hermes ios production static	20m 52s
Build RN 0.81.0 new hermes ios production no	23m 50s
Test RN 0.81.0 legacy hermes ios production no	13m 19s
Test RN 0.81.0 new hermes ios production no	14m 5s
Test RN 0.65.3 legacy jsc ios production no	12m 22s
Test RN 0.65.3 legacy jsc android production no	7m 11s
Test RN 0.81.0 legacy hermes android production no	8m 47s
Test RN 0.81.0 new hermes android production no	6m 31s
	6h 22m 9s

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