refactor: rewrite text diff view #3687

Job	Run time
Prepare version string	5s
Build / Build Linux	3m 8s
Build / Build Windows ARM64	3m 30s
Build / Build Windows x64	3m 40s
Build / Build macOS (Apple Silicon)	1m 57s
Build / Build macOS (Intel)	4m 11s
Build / Build Linux (arm64)	3m 15s
Package / Package Windows (win-arm64)	30s
Package / Package Windows (win-x64)	22s
Package / Package macOS (osx-arm64)	18s
Package / Package macOS (osx-x64)	18s
Package / Package Linux (linux-arm64)	52s
Package / Package Linux (linux-x64)	1m 2s
	23m 8s

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