Bug972573, The selection screen for adding a contact with multiple phone...

... numbers to a SMS message lacks a cancel, back, or 'x' button

Change from ValueSelector to ActionMenu

https://bugzilla.mozilla.org/show_bug.cgi?id=972573
here it could be 4 spaces or single `var` for every line with 2 space indent (the latest I like more, but since we can find both solutions in contacts I'm OK with applying the first one as well, just remember about the indentation).