Shrink minimum radii warning for models #5015

Job	Run time
Mac (Debug, clang, x86_64)	5m 10s
Linux (Debug, gcc-9)	12m 54s
Mac (Debug, clang, arm64)	7m 19s
Windows (Debug, MSVC, Win32)	17m 19s
Linux (Debug, gcc-13)	2m 11s
Mac (Release, clang, x86_64)	7m 12s
Windows (Debug, MSVC, x64)	15m 39s
Linux (Debug, clang-16)	9m 49s
Mac (Release, clang, arm64)	8m 31s
Windows (Release, MSVC, Win32)	19m 50s
Linux (Release, gcc-9)	12m 59s
Windows (Release, MSVC, x64)	21m 25s
Linux (Release, gcc-13)	6m 47s
Linux (Release, clang-16)	15m 0s
Linux (Debug, gcc-13, -DFSO_BUILD_WITH_OPENGL=OFF -DFSO_BUILD_WITH_VULKAN=OFF)	8m 30s
Linux (Release, gcc-13, -DFSO_BUILD_WITH_OPENGL=OFF -DFSO_BUILD_WITH_VULKAN=OFF)	11m 7s
	3h 1m 42s

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