UX: Communicate to the user that he needs to sign a txn

[tjanez]

For example, clicking on the "Trash" icon to remove the app first displays a modal if the user is sure he wants to remove the app and then an animation is shown without any indication that a user needs to sign the txn in their wallet:

There are probably other cases where we have this animation up and we are waiting for the user to sign a txn.