Fix cargo fmt formatting and diarize threading test mock

src-tauri/src/llama/mod.rs

@@ -237,11 +237,7 @@ impl LlamaManager {
 
     /// Get the current status.
     pub fn status(&self) -> LlamaStatus {
-        let running = self
-            .process
-            .lock()
-            .ok()
-            .map_or(false, |p| p.is_some());
+        let running = self.process.lock().ok().map_or(false, |p| p.is_some());
         let port = self.port.lock().ok().map_or(0, |p| *p);
         let model = self
             .model_path