Have an inline action for adding label/milestone/etc?

[connor4312]

Testing #5100

I've been using the new PR flow in VS Code for a while and honestly never noticed the extra buttons for assigning metadata. It is also slightly weird that the action happens in the title and then causes an effect elsewhere in the body. Maybe there could be inline actions kind of like this to add them?

[hbons]

I like this idea. Is there already a button like this in VS Code? I do wonder if this will make the form too cluttered and maybe there's something we else we can do instead of adding 4 buttons.

[hbons]

GitHub web does have this:

[alexr00]

Closing as out of scope. We only need one way to let users set reviewers/labels/etc.