Merge changes Ie5389b67,I52f671e7,I5ca3acb8,Ia98ea0ab

* changes:
  leaudio: Yet another optimisation on max CIS needed
  leaudio: Improve finding max CISes count needed
  leaudio: Make sure attached device has proper metadata (ccid)
  leaudio: Handle seamless streaming during late join or drop of member devices