[native] Add MessageSearchStoreOperations

Summary: issue: ENG-8832

Test Plan: Tested with following diffs. Added an "add search message" operation on the js side and tested that updateMessageSearchIndex was run and no errors showed up in Metro nor in XCode console

Reviewers: tomek, kamil, marcin

Reviewed By: kamil, marcin

Subscribers: ashoat

Differential Revision: https://phab.comm.dev/D12794