feature: add a minimap to merge conflict editor #4308

Job	Run time
Prepare version string	5s
Build / Build Linux (arm64)	3m 10s
Build / Build macOS (Intel)	3m 52s
Build / Build Windows ARM64	3m 25s
Build / Build Windows x64	3m 19s
Build / Build macOS (Apple Silicon)	2m 49s
Build / Build Linux	3m 16s
Package / Package macOS (osx-x64)	17s
Package / Package Windows (win-x64)	28s
Package / Package Windows (win-arm64)	33s
Package / Package Linux (linux-arm64)	53s
Package / Package macOS (osx-arm64)	16s
Package / Package Linux (linux-x64)	57s
	23m 20s

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