[Merge] lp:~marcustomlinson/update-manager/update-manager into lp:update-manager

[Sebastien Bacher]

> I feel like it. Transitioning before the prompt is - 
> granted - a bit of a hack to force everyone to get them 
> (I don't know who wouldn't want them really).

Commenting just on that but I think that's a weird logic/user experience, we shouldn't get out of our way doing weird UI just to force technical users to be force migrated. Those who close update-manager and go to the command line should be able to transition between snap&deb by themselve
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https://code.launchpad.net/~marcustomlinson/update-manager/update-manager/+merge/380060
Your team Ubuntu Core Development Team is requested to review the proposed merge of lp:~marcustomlinson/update-manager/update-manager into lp:update-manager.