- Removed all deprecated/unused strings.
- Added all missing translatable strings.
- Removed the previous unified Chinese translation and added separate Simplified and Traditional Chinese support.
* Add a new ThemeEntryID for split-screen and selected items and modify the theme.
* Adjust the position of the left side split-screen in the filebrowser menu.
* Add new strings and update Korean and Japanese translations.
* fix ja.json.
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Co-authored-by: ITotalJustice <47043333+ITotalJustice@users.noreply.github.com>