Show trigger shortcuts in same way to action/constraint shortcuts

[githubsterer]

Developer TODO (don't remove)

• update documentation

I find the location of these two new trigger button options confusing because that area should be reserved to actual triggers entered not possible new ones. Plus they are already in the advanced triggers section.

The way it looks to me with that + sign is as if they already added in some sequence.

[sds100]

Yeah, I think it would better to show a header above them like "Advanced triggers" in a similar way we show "Recently used actions", and remove the plus. We won't remove them because it is a quicker way to add floating buttons without having to open advanced triggers -> "Use" every time.

[sds100]

fixed