ux: add a group header for workspace context menu #3747

Job	Run time
Prepare version string	4s
Build / Build Windows ARM64	3m 42s
Build / Build Linux (arm64)	3m 22s
Build / Build macOS (Apple Silicon)	3m 9s
Build / Build Windows x64	3m 49s
Build / Build macOS (Intel)	3m 34s
Build / Build Linux	3m 19s
Package / Package macOS (osx-arm64)	21s
Package / Package Linux (linux-x64)	58s
Package / Package macOS (osx-x64)	24s
Package / Package Linux (linux-arm64)	1m 0s
Package / Package Windows (win-arm64)	22s
Package / Package Windows (win-x64)	28s
	24m 32s

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