[Flow202][lib][skip-ci] [20/23] Get rid of $FlowFixMes in lib/utils/objects.js
Summary:
The types of Object.values and Object.keys are fixed in the new version of Flow, so we don't need these $FlowFixMes anymore.
I made two other small changes:
- Fixed a Flow error due to the return type of assertObjectsAreEqual not being typed.
- Got rid of the keys utility, which was just an alias to Object.keys and was causing some sort of type error.
NOTE: CI will fail on this diff. I considered the possibility of fixing Flow errors BEFORE upgrading Flow, but it wasn't possible... in some cases, the fixes to support the new version of Flow caused errors in the old version. I could have hidden these type errors with $FlowFixMe lines and then later revert those, but that seemed like too much busy work.
Depends on D9711
Test Plan: Confirm the Flow errors go away
Reviewers: atul
Reviewed By: atul
Subscribers: tomek, wyilio
Differential Revision: https://phab.comm.dev/D9712