Speed up crop preview and reduce timeline overhead #6429

Job	Run time
Format (Biome)	8s
Format (Cargo)	17s
Typecheck	1m 30s
Detect Changes	9s
Lint (Biome)	11s
Clippy (x86_64-pc-windows-msvc, windows-latest)	6m 1s
Clippy (aarch64-apple-darwin, macos-latest)	1m 50s
Rust cache	-1s
Verify Tauri plugin versions	-1s
Build Desktop	-1s
	10m 3s

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