Bug 1052424 - [Messages] Cursor should be in the "to" field by default w...

...hile forwarding messages
Currently this is unlikely because this happens only when the user taps an existing draft from the inbox.

However, when we'll be able to bookmark pages, this could happen if the user bookmarks a draft (for some reason), the draft is dismissed, and the user "launches" the draft again. So maybe the fallback is good to be future proof?