Added Drozone to favorites quickaccess

[newhinton]

This adds the ability to drop a folder on the quickaccess and add it to it

[skjnldsv]

• The drop background stays after I stopped dragging :)
• If you remove the last directory from the favorite and add a new one it doesn't get appended to the quickaccess list :)

Otherwise it works great on files and folder!

[newhinton]

If i remember correctly #10888 should fix the second isssue, but ill have to look into the first one :D

[MorrisJobke]

@newhinton Just change the labels from "2. developing" to "3. to review" once you are done with your changes ;)

[MorrisJobke]

@newhinton Could you rebase this one please? Thanks :)

[MorrisJobke]

Let's move this one to 16.

[newhinton]

See #12917

[jancborchardt]

@newhinton so should we close this in favor of #12917 ?

[newhinton]

@jancborchardt yes, i wasnt shure if it was the proper thing todo ;)