WIP: Rework input dialogs
This is a rework of all input dialogs.
The dialog's logic was taken from
NewConfirmationDialog (no need for .ui files anymore).
- Change subject
- Group chat password
- Contact rename
- Save status preset
What still needs to be resolved:
- Default button should be focused when pressing Enter from the
ChangeNickDialogdoes not work (callbacks)
InputDialogCheckwas never needed as it seems, even though
ChangeNickDialoginherited from it?!
ResourceConflictDialoghas yet to be adapted
- PyLint error E1111: Assigning result of a function call, where the function has no return (assignment-from-no-return)