[Merge] lp:~tiagosh/messaging-app/information-messageType into lp:messaging-app

[Bill Filler]

Review: Needs Fixing

The last commit for scrolling into view is not working correctly.

- If the keyboard is visible and the list is scrolled all the way to the top, when you receive a new message it does scroll the list but the new message is only partially visible.

- Same with sending a message. If you are scrolled up and send a new message it's only partially visible. If you send a second message it will be fully visible.

Might be better to move this to a separate MR, just so we can land this?
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https://code.launchpad.net/~tiagosh/messaging-app/information-messageType/+merge/235860
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