Clapgrep

Translations:

• Added Czech translations.
• Added Spanish translations.
• Added Turkish translations.
• Added Chinese translations.
• Added Tamil translations.
• Updated Russian translations.

Bug fixes:

• Null bytes in files are now properly handled.
• The hidden file search toggle was inverted.
• Prevent multiple windows as it currently behaves very weirdly.
• Fix Nautilus extension support when not installed via Flatpak.