feat(editor): Cap recording import for timeline stitching #6486

Job	Run time
Lint (Biome)	12s
Format (Cargo)	16s
Format (Biome)	13s
Detect Changes	7s
Typecheck	1m 33s
Clippy (x86_64-pc-windows-msvc, windows-latest)	3m 59s
Clippy (aarch64-apple-darwin, macos-latest)	1m 16s
Rust cache	0s
Build Desktop	-1s
Verify Tauri plugin versions	-1s
	7m 34s

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