2.4.0 BETA 3

Bug Fixes

• Do not retry Snapcast connection if we want to exit (6ad7503)
• Enqueue player feature not correctly set on cast groups and dlna players (f9a855d)
• Group volume up/down not implemented (a1eede9)
• Prevent redundant lookup of full media item in queue controller (734dc5b)
• snapcast player in universal player group (#1756) (f7ee100)