Improvements:
- The presence of undisplayed hidden files is indicated when there are no visible files
- Undisplayed hidden files can temporarily be shown in an otherwise empty folder
Minor updates:
- The existing shortcut to focus the sidebar is changed to Ctrl + Alt + Left
- A corresponding shortcut to focus the document is added: Ctrl + Alt + Right
- Shortcuts involving Left or Right arrow keys now change according whether the locale is RTL or LTR
- Allow horizontal scrolling in ListView to ensure all columns visible
- Updated translations