ux: add loading icon #3368

Job	Run time
Prepare version string	6s
Build / Build macOS (Intel)	4m 39s
Build / Build Linux	2m 59s
Build / Build macOS (Apple Silicon)	1m 56s
Build / Build Windows ARM64	3m 56s
Build / Build Linux (arm64)	3m 19s
Build / Build Windows x64	3m 47s
Package / Package Windows (win-x64)	18s
Package / Package Windows (win-arm64)	18s
Package / Package macOS (osx-arm64)	29s
Package / Package Linux (linux-arm64)	49s
Package / Package Linux (linux-x64)	54s
Package / Package macOS (osx-x64)	51s
	24m 21s

Provide feedback