Some regression fixes from the major refactor in 1.7.0.
- Fix fill from username icon when Automatically retrieve credentials is disabled [#990]
- Fix Custom Login Field behavior [#1000]
- Add missing uuid to Autocomplete when filling using keyboard [#1000]
- Respect Autocomplete Menu setting when filling using keyboard or Username Icon [#1000]
- Fix Auto-Submit (wrong function call) [#1000]
- Fix Auto-Fill (e.g. with Google) [#1000]