Disambiguate `ShockwaveDamage` cases #4673

Job	Run time
Mac (Debug, clang, x86_64)	4m 59s
Windows (Debug, MSVC, Win32)	9m 28s
Mac (Debug, clang, arm64)	5m 38s
Linux (Debug, gcc-9)	10m 42s
Windows (Debug, MSVC, x64)	9m 50s
Mac (Release, clang, x86_64)	4m 54s
Linux (Debug, gcc-13)	6m 54s
Windows (Release, MSVC, Win32)	15m 52s
Mac (Release, clang, arm64)	4m 56s
Linux (Debug, clang-16)	11m 40s
Windows (Release, MSVC, x64)	18m 6s
Linux (Release, gcc-9)	5m 47s
Linux (Release, gcc-13)	6m 2s
Linux (Release, clang-16)	10m 54s
Linux (Debug, gcc-13, -DFSO_BUILD_WITH_OPENGL=OFF -DFSO_BUILD_WITH_VULKAN=OFF)	8m 55s
Linux (Release, gcc-13, -DFSO_BUILD_WITH_OPENGL=OFF -DFSO_BUILD_WITH_VULKAN=OFF)	6m 6s
	2h 20m 43s

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