Add system tray support #3157

Job	Run time
Create test plan	8s
level1 / Haiku	1m 53s
level2 / Windows (msys2, clang32)	7m 30s
level2 / Sony PlayStation Vita (GLES w/ pib)	3m 22s
level2 / Windows (MSVC, ARM)	3m 23s
level2 / MacOS (GNU prefix)	3m 9s
level2 / Ubuntu 20.04	4m 46s
level2 / Android (CMake)	2m 51s
level2 / Android (Gradle)	1m 26s
level2 / Windows (MSVC, clang-cl x86)	6m 8s
level2 / PowerPC	2m 5s
level2 / Windows (MSVC, x86)	5m 44s
level2 / NetBSD	2m 23s
level2 / tvOS (CMake & xcode)	2m 32s
level2 / Windows (MSVC, clang-cl x64)	5m 58s
level2 / Windows (msys2, mingw64)	8m 23s
level2 / MacOS (Framework) (x64)	5m 17s
level2 / LoongArch64	2m 55s
level2 / Windows (msys2, mingw32)	8m 51s
level2 / PowerPC64	1m 56s
level2 / Windows (MSVC, x64)	5m 52s
level2 / Android (CMake, lean)	3m 4s
level2 / Steam Linux Runtime (Sniper)	3m 5s
level2 / Ubuntu 20.04 (Intel oneAPI)	6m 35s
level2 / Windows (MSVC, ARM64)	4m 21s
level2 / Sony PlayStation Portable	4m 0s
level2 / Windows (msys2, ucrt64)	8m 27s
level2 / Ubuntu 20.04 (Intel Compiler)	4m 49s
level2 / Emscripten	9m 29s
level2 / Android (Android.mk)	1m 8s
level2 / Ubuntu 22.04	4m 22s
level2 / Sony PlayStation 2	5m 22s
level2 / Windows (msys2, clang64)	6m 5s
level2 / iOS (CMake & xcode)	2m 14s
level2 / Nintendo 3DS	2m 9s
level2 / Sony PlayStation Vita (GLES w/ PVR_PSP2)	3m 28s
level2 / MacOS (Framework) (arm64)	2m 19s
level2 / RISC OS	1m 28s
level2 / GDK (MSVC, x64)	2m 51s
level2 / FreeBSD	2m 57s
	2h 44m 45s

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