title_bar: Factor out collab-related code into `collab` module (#13957)
This PR refactors the `TitleBar` component to move all of the
collab-related code into the `collab` module.
This simplifies the top-level `Render` implementation of `TitleBar` by a
lot and makes it easier to read.
Release Notes:
- N/A
efc2336be5Marshall Bowers committed on 7/8/2024, 11:43:20 PM· committed by GitHubparent9e36a66