Merge pull request #7117 from Goober5000/anchor_refactor #924

Job	Run time
Linux (Release, gcc-9)	22m 46s
Linux (Debug, gcc-13)	14m 24s
Linux (Release, gcc-13)	17m 19s
Linux (Debug, clang-16)	15m 36s
Linux (Release, gcc-13, -DFSO_BUILD_WITH_OPENGL=OFF -DFSO_BUILD_WITH_VULKAN=OFF)	17m 34s
Linux (Release, clang-16)	22m 12s
Linux (Debug, gcc-9)	16m 49s
Linux (Debug, gcc-13, -DFSO_BUILD_WITH_OPENGL=OFF -DFSO_BUILD_WITH_VULKAN=OFF)	13m 18s
	2h 19m 58s

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