feature: diff - toggle show all lines (#615) #1661

Job	Run time
Prepare version string	4s
Build / Build Windows x64	2m 54s
Build / Build Windows ARM64	4m 32s
Build / Build macOS (Intel)	5m 10s
Build / Build macOS (Apple Silicon)	2m 0s
Build / Build Linux	2m 6s
Build / Build Linux (arm64)	2m 55s
Package / Package OSX app (osx-x64)	18s
Package / Package OSX app (osx-arm64)	17s
Package / Package portable Windows app (win-x64)	17s
Package / Package portable Windows app (win-arm64)	17s
Package / Package Linux (linux-x64)	1m 6s
Package / Package Linux (linux-arm64)	55s
	22m 51s

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