Bookmarks folders in favicons only mode should show folder name tooltip
Bookmarks folders in favicons only mode should show folder name tooltip

Fix #3622

Auditors: @bbondy

Test Plan: Add a bookmark folder and hover over it in favicons only mode

MKuenzi/browser-laptop,darkdh/browser-laptop,jonathansampson/browser-laptop,diasdavid/browser-laptop,pmkary/braver,luixxiul/browser-laptop,willy-b/browser-laptop,luixxiul/browser-laptop,darkdh/browser-laptop,diasdavid/browser-laptop,timborden/browser-laptop,timborden/browser-laptop,dcposch/browser-laptop,timborden/browser-laptop,pmkary/braver,willy-b/browser-laptop,MKuenzi/browser-laptop,diasdavid/browser-laptop,jonathansampson/browser-laptop,dcposch/browser-laptop,Sh1d0w/browser-laptop,darkdh/browser-laptop,Sh1d0w/browser-laptop,jonathansampson/browser-laptop,MKuenzi/browser-laptop,Sh1d0w/browser-laptop,luixxiul/browser-laptop,jonathansampson/browser-laptop,dcposch/browser-laptop,willy-b/browser-laptop,pmkary/braver,MKuenzi/browser-laptop,dcposch/browser-laptop,darkdh/browser-laptop,Sh1d0w/browser-laptop,diasdavid/browser-laptop,luixxiul/browser-laptop,willy-b/browser-laptop,timborden/browser-laptop,pmkary/braver