Reimplement legacy `Sound` class with new audio engine#17457

Draft

docEdub wants to merge 14 commits intoBabylonJS:masterfrom

docEdub:251114-reimplement-old-sound-class

Commits on Nov 14, 2025

Reimplement legacy `Sound` class with new audio engine
docEdub
committed

Commits on Nov 17, 2025

Fix case where `Sound` is constructed but audio engine is not available
docEdub
committed
Fix sound not setting playback `loop` option correctly
docEdub
committed
Show unmute button when sound is set to autoplay and engine is locked
docEdub
committed

Commits on Nov 18, 2025