Support cmdDraw(Indexed)Indirect with count buffer for Vulkan #307

Job	Run time
build (windows, x86_64, msvc, Debug)	1m 4s
build (windows, x86_64, msvc, Release)	54s
build (windows, aarch64, msvc, Debug)	1m 48s
build (windows, aarch64, msvc, Release)	1m 45s
build (linux, x86_64, gcc, Debug)	32s
build (linux, x86_64, gcc, Release)	33s
build (linux, x86_64, clang, Debug)	1m 7s
build (linux, x86_64, clang, Release)	2m 37s
build (linux, aarch64, gcc, Debug)	1m 15s
build (linux, aarch64, gcc, Release)	1m 22s
build (linux, aarch64, clang, Debug)	1m 13s
build (linux, aarch64, clang, Release)	1m 38s
build (macos, aarch64, clang, Debug)	1m 18s
build (macos, aarch64, clang, Release)	1m 3s
	18m 9s

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