ux: grid lines brush for DataGrid #108

Job	Run time
Prepare version string	4s
Build / Build macOS (Intel)	3m 53s
Build / Build Windows x64	3m 28s
Build / Build macOS (Apple Silicon)	2m 19s
Build / Build Windows ARM64	3m 32s
Build / Build Linux (arm64)	4m 6s
Build / Build Linux	4m 10s
Package / Package Windows (win-x64)	21s
Package / Package macOS (osx-arm64)	18s
Package / Package macOS (osx-x64)	20s
Package / Package Linux (linux-arm64)	1m 37s
Package / Package Linux (linux-x64)	1m 55s
Package / Package Windows (win-arm64)	18s
	26m 21s

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