AirDC++ 4.20

What's new in this version:

API and Web UI changes:
- Web Client 2.11.4
- Web Client 2.11.3

Added:
- Report certain incorrectly forwarded ADC protocol messages
- Add a new hublist server (hublist.pwiam.com)
- New language: Ukrainian
- Add extension support in chat views (highlights and context menu items)

Changed:
- Discussion forum and issue tracker links now point to Github
- Put extension context menu items under an extension-specific submenu in if there are more than two menu items
- Improve logging of partial filelist transfers
- Disable maximum size for shared files when using the RAR profile
- Update Node.js to version 18.15.0

Fixed:
- Fix a filelist-related crash (LP#1944724)
- Fix saving of web server settings (LP#1950519)
- Remove additional waiting time when using “Find and view NFO” and no results are found
- Don’t clear user commands when attempting to connect to a hub that is open already (LP#1981763))
- SOCKS5: don’t fail if the proxy server doesn’t send any port for regular connect attempts
- Remove non-existing commands from /help
- Don’t ignore filenames containing semicolons in SFV files

Removed:
- The “Search sites” feature has been replaced with an extension (must be installed manually)
- Remove warnings for old LuaDCH hubsoft version
- Removed an inaccessible hublist server address