Mms: Prevent popup window from closing

Popup window will close if pressed outside of it.

This commit disables touches outside the popup.

10x Revertron

Change-Id: Ife491d8b58d1b32d59760eb10a6e10cb67969974
(cherry picked from commit d5799328d614c4fe4fa7f7d468ecd3ef068c7928)