Mp3tag 3.01

What's new in this version:

Changes:
- Replace action now uses more characters to detect word boundaries if match as whole word is enabled
- Optimized performance of local freedb index creation
- Added option to retry write to file operations from file list if file is being used by another application
- Added option to retry write to file operations if file is being used by another app
- Web sources commands `debug` and `debugwriteinput` now use app data directory as base if output filename has relative path
- Moved MP4-related optimization functions to Utils submenu in right-click context menu
- Added link to privacy policy from help menu as now required by Microsoft Store guidelines

Fixes:
- Save configuration did not include *.inc files from tag sources directory
- Multi-field search for tag sources did not expand search placeholder `%s` in URLs anymore
- Multi-field search for album-only tag sources used encoding on whole parameter fragment when building URLs
- Possible runtime error when editing files via the file list while files were loading
- Filtered file list was not refreshed in some cases when files were added via drag and drop
- List column width was not automatically adjusted when resizing action and export dialogs
- Saving MP4 with existing QuickTime chapters used global title instead of chapter names when creating Nero chapters. local freedb index database was deleted right after creation in some cases
- Populating the context menu and setting the context-menu item texts was off in some cases
- FIX: track length for Matroska files with chapters was length of first chapter also if listing of chapters as separate files was disabled
- ITunes Soundcheck data produced by $rg2sc() was not detected for MP3 ID3v2 anymore
- Possible memory issue when handling Apple QuickTime chapter information
- Web sources command `gotoline` failed if target line was empty
- Navigation via tab was not possible at extended tags dialog if previous or next buttons reached the end and got disabled

New:
- Added support for WebM Container *.webm files
- Added support for WebM Container *.webm for Explorer context menu shell extension
- Added support for `*.jfif` image file extension when adding cover art
- Added 'Adjust cover' to resize cover art via cover context menu
- Added link to privacy policy from help menu as now required by Microsoft Store guidelines