No music when loading campaign savegames

[SirJTrund]

• Game Version: 100.17.22308.0

• Build Number: 155304485

• Platform: Steam

• Operating System: Windows 10

Issue:

When loading a campaign savegame, no music is present. A workaround seems to be to load a Skirmish savegame first, then load a campaign save.

Repro Steps:

1. As above.
2. This is a persistent issue.