fix clippy::needless_borrow

crates/rust-analyzer/src/dispatch.rs

@@ -48,7 +48,7 @@ impl<'a> RequestDispatcher<'a> {
         };
         let _pctx = stdx::panic_context::enter(panic_context);
 
-        let result = f(&mut self.global_state, params);
+        let result = f(self.global_state, params);
         let response = result_to_response::<R>(id, result);
 
         self.global_state.respond(response);