Update notification dropdown UI
Update notification dropdown UI

  * Changed text to hide notifications of same type to "Hide
    notifications like this"
  * Increased popup width to avoid text wrapping
  * Made "Remove" option have red text

jacksonic/vjlofvhjfgm,jacksonic/vjlofvhjfgm,jacksonic/vjlofvhjfgm,foam-framework/foam2,foam-framework/foam2,foam-framework/foam2,foam-framework/foam2,foam-framework/foam2