Add `SwitchVector4D` shortcut to visual shader members #34652

Job	Run time
📊 Static checks / Code style, file formatting, and docs	1m 15s
🍎 macOS / Editor (target=editor, tests=yes)	4m 42s
🐧 Linux / Editor w/ Mono (target=editor)	6m 17s
🍎 macOS / Template (target=template_release)	3m 12s
🐧 Linux / Editor with doubles and GCC sanitizers (target=editor, tests=yes, dev_build=yes, scu_build=yes, precision=double, use_asan=yes, use_ubsan=yes, linker=gold)	17m 50s
🌐 Web / Template w/ threads (target=template_release, threads=yes)	6m 41s
🐧 Linux / Editor with clang sanitizers (target=editor, tests=yes, dev_build=yes, use_asan=yes, use_ubsan=yes, use_llvm=yes, linker=lld)	7m 35s
🍏 iOS / Template (target=template_release)	8m 55s
🐧 Linux / Editor with ThreadSanitizer (target=editor, tests=yes, dev_build=yes, use_tsan=yes, use_llvm=yes, linker=lld)	7m 16s
🌐 Web / Template w/o threads (target=template_release, threads=no)	7m 18s
🐧 Linux / Template w/ Mono (target=template_release)	2m 38s
🏁 Windows / Editor (target=editor, tests=yes)	11m 30s
🐧 Linux / Minimal template (target=template_release, everything disabled)	1m 20s
🏁 Windows / Template (target=template_release)	9m 53s
🤖 Android / Editor (target=editor)	24m 28s
🤖 Android / Template arm32 (target=template_release, arch=arm32)	16m 46s
🤖 Android / Template arm64 (target=template_release, arch=arm64)	17m 9s
🪲 Godot CPP / Build and test Godot CPP	8m 13s
	2h 42m 58s

Provide feedback