"Unity Collab Toolbar" needs be renamed to "Collab Toolbar"
Existing naming is inconsistent with all the rest of the window's names in the Editor. None of those contains 'Unity' in the name.
So having 'Unity' in the title can be reasonable if there's a chance to have other "Collab Toolbar" that can be confused with this one. If that's not the case, I don't see other possible justifications.

Also having 'Unity' in the title doesn't allow for the full name to be shown and the title gets trimmed - see attached img.