Allow sorting KMSDRM and X11 displays via the display priority hint #2112

Job	Run time
Create test plan	6s
level1 / Haiku	1m 42s
level2 / Sony PlayStation Vita (GLES w/ PVR_PSP2)	3m 15s
level2 / NetBSD	2m 38s
level2 / Windows (MSVC, x64)	4m 57s
level2 / Windows (MSVC, clang-cl x86)	5m 57s
level2 / Ubuntu 22.04	4m 41s
level2 / Android (CMake)	3m 45s
level2 / Sony PlayStation Portable	3m 48s
level2 / Windows (MSVC, x86)	6m 5s
level2 / Windows (MSVC, ARM64)	3m 30s
level2 / Sony PlayStation Vita (GLES w/ pib)	3m 13s
level2 / GDK (MSVC, x64)	2m 8s
level2 / Windows (msys2, clang32)	6m 37s
level2 / Android (Android.mk)	1m 8s
level2 / MacOS (Framework) (x64)	4m 28s
level2 / Sony PlayStation 2	4m 59s
level2 / tvOS (CMake & xcode)	2m 6s
level2 / Android (CMake, lean)	3m 8s
level2 / Nintendo 3DS	2m 5s
level2 / MacOS (GNU prefix)	3m 22s
level2 / iOS (CMake & xcode)	2m 4s
level2 / Windows (msys2, mingw64)	7m 49s
level2 / MacOS (Framework) (arm64)	2m 38s
level2 / Ubuntu 20.04	4m 19s
level2 / Windows (msys2, clang64)	5m 46s
level2 / Ubuntu 20.04 (Intel Compiler)	4m 43s
level2 / Emscripten	9m 9s
level2 / Windows (msys2, mingw32)	8m 7s
level2 / Windows (msys2, ucrt64)	8m 5s
level2 / RISC OS	1m 24s
level2 / Ubuntu 20.04 (Intel oneAPI)	6m 31s
level2 / Windows (MSVC, clang-cl x64)	5m 30s
level2 / Android (Gradle)	2m 15s
level2 / FreeBSD	2m 57s
level2 / Windows (MSVC, ARM)	3m 28s
level2 / LoongArch64	2m 44s
level2 / PowerPC64	1m 54s
	2h 33m 1s

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