[native] Add CommCoreModule code for inserting into the search table

Summary: issue: [[https://linear.app/comm/issue/ENG-8830/[native]-update-processdbstoreoperations-to-handle-insert-into-search | ENG-8830]]

Test Plan: 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/D12796