remove search from sidenav #72

Job	Run time
Tauri Rust checks (macOS)	2m 43s
Tauri Rust checks (Linux)	1m 55s
Tauri Rust checks (Windows)	4m 48s
Frontend checks and unit tests	6m 34s
Frontend build smoke	1m 42s
Transcript virtualization	3m 32s
	21m 14s

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