Layout builder add block anchor tag not visible on hover

Replicated the issue at D-10 Seems MR at #2 Resolves the issue mentioned

Adding screenshot before and after the MR

Moving the issue to RTBC.

Hmm, interesting. I like the white cause I usually use really dark background colors for the UI elements. What if people like lighter color ones? Maybe we should make all the text colors configurable? 🤔