[lib] Don't pass threadID in twice to getNameForThreadEntity

Summary:
This is already being passed in via params. This diff should be a no-op... just simplifying the code.

Depends on D6589

Test Plan: Flow, play around with app, tested in combination with following diffs

Reviewers: atul

Reviewed By: atul

Subscribers: tomek

Differential Revision: https://phab.comm.dev/D6590