Merge pull request #6751 from Goober5000/scripted_movie_audio #827

Job	Run time
Linux (Debug, gcc-13)	3m 35s
Linux (Debug, gcc-9)	12m 17s
Linux (Release, gcc-9)	13m 42s
Linux (Release, gcc-13)	7m 16s
Linux (Debug, clang-16)	10m 36s
Linux (Debug, gcc-13, -DFSO_BUILD_WITH_OPENGL=OFF -DFSO_BUILD_WITH_VULKAN=OFF)	9m 41s
Linux (Release, clang-16)	16m 4s
Linux (Release, gcc-13, -DFSO_BUILD_WITH_OPENGL=OFF -DFSO_BUILD_WITH_VULKAN=OFF)	11m 57s
	1h 25m 8s

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