Merge pull request #5996 from Goober5000/fix_ship_name_in_use_bug #567

Job	Run time
Linux (Debug, gcc-9)	15m 28s
Linux (Debug, gcc-13)	14m 38s
Linux (Debug, clang-16)	17m 12s
Linux (Release, gcc-9)	13m 9s
Linux (Release, gcc-13)	13m 47s
Linux (Release, clang-16)	16m 54s
Linux (Debug, gcc-13, -DFSO_BUILD_WITH_OPENGL=OFF -DFSO_BUILD_WITH_VULKAN=OFF)	15m 6s
Linux (Release, gcc-13, -DFSO_BUILD_WITH_OPENGL=OFF -DFSO_BUILD_WITH_VULKAN=OFF)	13m 28s
	1h 59m 42s

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