Context menu items are duplicated in tablet when changing messaging conversation

This issue needs to be tested in a tablet device. 1 device is enough. Login in any site with a user that has at least 2 conversations and 2 contacts (e.g. u2). Go to messaging tab. A conversation should load automatically. Click the context menu (top-right, 3 dots). Check that you can see the options. Open a different conversation and click the context menu. Check that you can see the options and they're shown only once (they aren't duplicated). Click Contacts and repeat steps 3 and 4 in the contacts page. Go back, click the search button in the top-right and repeat steps 3 and 4 in the search page (you can search a common word like "test").