Bug 885274 - [SMS/MMS] Option menu. Only execute menu operations when target has an associated action

https://bugzilla.mozilla.org/show_bug.cgi?id=885274
Signed-off-by: Rick Waldron <waldron.rick@gmail.com>
Merge pull request #10584 from rwldrn/885274

Bug 885274 - [SMS/MMS] Option menu. Only execute menu operations when target has an associated action