feat: Lots of Windows + desktop optimisations #5051

Job	Run time
Typecheck	1m 10s
Detect Changes	6s
Format (Biome)	6s
Lint (Biome)	14s
Format (Cargo)	14s
Verify Tauri plugin versions	7s
Clippy (aarch64-apple-darwin, macos-latest)	1m 53s
Clippy (x86_64-pc-windows-msvc, windows-latest)	3m 24s
Build Desktop	0s
Rust cache	0s
	7m 14s

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