New topic controls on Meta

[zogstrip]

@NateDhaliwal

If there is only 1 option in the dropdown with 3 dots, like Flag, the dropdown shouldn’t be there, and it should just be the flag button instead.

That is now fixed by

https://github.com/discourse/discourse/commit/1791abab25487c75fe2a3fb457f7ad9632ae9ca7