ux: show hotkey of popup buttons #3424

Job	Run time
Prepare version string	5s
Build / Build Windows ARM64	3m 26s
Build / Build macOS (Intel)	2m 39s
Build / Build Linux (arm64)	3m 10s
Build / Build Windows x64	3m 57s
Build / Build Linux	3m 15s
Build / Build macOS (Apple Silicon)	3m 9s
Package / Package macOS (osx-x64)	20s
Package / Package macOS (osx-arm64)	19s
Package / Package Windows (win-arm64)	29s
Package / Package Windows (win-x64)	22s
Package / Package Linux (linux-x64)	54s
Package / Package Linux (linux-arm64)	47s
	22m 52s

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