Missile lock sound continues to play after target is destroyed

[Dez E]

If achieving full target lock with projectiles, if the target is destroyed, the lock sound continues to play until a new target is selected.

https://drive.google.com/file/d/1VEaI8j6aGV9Ax3gvlhmE9WTQRaVoFP7w/view?usp=sharing

[Xwvm Art]

Fix applied in development branch for this issue.