desktop tests: clippy clean (repeat_n in the tray test, unix-only time imports in ai_fix)

apps/desktop/src-tauri/tests/ai_fix.rs

@@ -3,6 +3,7 @@
 use std::fs;
 use std::path::{Path, PathBuf};
 use std::process::Command;
+#[cfg(unix)]
 use std::time::{Duration, Instant};
 
 use storebound_desktop::ai_fix::*;