Loading a savegame before the Particle Cannon is readying up plays a strange sound

[L3-M]

Introduced by #2302

1- Start a Skirmish game as USA
2- Build a Particle Cannon
3- Fire the Particle Cannon and wait until it start packing
4- Save the game in that state
5- Load the savegame
6- Listen to the Particle Cannon audio right after loading.

Main branch 6b726d7

maino.mp4

Checkout before commit 8cce6f6

beforeo.mp4

[xezon]

Thank you very much for reporting these