[No QA] Fix useOnyx to skip state reset on initial mount#777

VickyStash wants to merge 2 commits intoExpensify:mainExpensify/react-native-onyx:mainfrom

callstack-internal:VickyStash/bugfix/87850-useonyx-skip-reset-on-initial-mountcallstack-internal/react-native-onyx:VickyStash/bugfix/87850-useonyx-skip-reset-on-initial-mountCopy head branch name to clipboard