Added features and fixed bugs as follows:
- feat: Added filtering feature to Advanced mode.
- feat: Supports reserving elements using CSS selectors.
- feat: Supports setting priority elements for extraction.
- feat: Added translation status indicator. Credit to @Andy-AO.
- feat: Added non-aligned items counter in Advanced mode. Credit to @Andy-AO.
- feat: Marks failed translations with red color.
- feat: Shows last modification time for caches on cache manager.
- feat: Supports disabling and auto-hiding notifications.
- feat: Added keyboard shortcut and mnemonics features.
- feat: Allows users to choose the text direction for translation.
- feat: Separated translation progress from conversion progress.
- fix: Fixed bug preventing setting original text color.
- fix: Fixed bug when adding translation for line breaks.
- fix: Fixed bug causing error when deleting rows.
- fix: Properly shows item status after saving edits.