Audio Track playback fixed in AnimationPlayer

[TypeOverride2]

fixed the audio track playback in the same manner like the animation track playback was fixed on the higher branch (animation-track-feature - #41168).

• fixed that audio playback is playing in loop when there is no end offset
• fixed audio playback is not stopping when reaching end of track
• fixed correct playing of overlapped areas of audio
• fixed that on track loop the audio is sometimes not playing