Release v5.3.5

Improvements

🔸 add missing icon on dayparting edit buttons
🔸 make playlist last track fadeout "auto" by default

Fixes

🔺 fix settings menu not closing automatically when clicking search form
🔺 fix js error on new player window
🔺 fix missing ID3 button on media upload
🔺 fix permissions issue affecting non-admin users
🔺 fix breakpoint button display issue on liveassist playlist
🔺 remove some debug code
🔺 fix cron run issue (when not run from expected directory)
🔺 fix already defined PHP warning related to web server sendfile header setting