Incorrect labels management on tag menus

There are some problems while applying or removing labels on mail grid, but also contacts and any other taggable service.

BUG 1

Steps to reproduce

• **Add a label on one mail
• Move on another mail
• Try to assign the same label

Expected behaviour

• You can apply the label without problems

Actual behaviour

• The label of the previous mail remains selected and you need to press on this label twice to apply

BUG 2

Steps to reproduce

• Take a mail that already have one o more labels applied
• Try to remove one label

Expected behaviour

• You can remove the label pressing once on the selected label. Maybe on the menu the selected labels can be highlighted

Actual behaivour

• You need to select twice the labels you want to remove