Add event and message reordering to the FRED event editor #7598

Job	Run time
Mac (Debug, clang, arm64)	5m 8s
Windows (FastDebug, MSVC, Win32)	21m 22s
Windows (Debug, MSVC, Win32)	10m 57s
Mac (Release, clang, arm64)	7m 3s
Windows (Release, MSVC, Win32)	21m 26s
Windows (FastDebug, MSVC, x64)	25m 39s
Linux (Debug, gcc-9)	18m 54s
Linux (Release, gcc-13)	7m 13s
Windows (Release, MSVC, x64)	24m 4s
Linux (Debug, gcc-13)	4m 12s
Linux (Release, gcc-9)	15m 51s
Linux (Debug, gcc-13, -DFSO_BUILD_WITH_OPENGL=OFF -DFSO_BUILD_WITH_VULKAN=ON)	11m 44s
Linux (Debug, gcc-13, -DFSO_BUILD_WITH_OPENGL=OFF -DFSO_BUILD_WITH_VULKAN=OFF)	12m 33s
Mac (Debug, clang, x86_64)	7m 21s
Linux (Release, gcc-13, -DFSO_BUILD_WITH_OPENGL=OFF -DFSO_BUILD_WITH_VULKAN=ON)	14m 55s
Windows (Debug, MSVC, x64)	11m 7s
Linux (Debug, clang-16)	12m 6s
Linux (Release, clang-16)	19m 16s
Mac (Release, clang, x86_64)	7m 29s
Linux (Release, gcc-13, -DFSO_BUILD_WITH_OPENGL=OFF -DFSO_BUILD_WITH_VULKAN=OFF)	14m 38s
	4h 32m 58s

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