all: use expect attribute where possible

src/it/test_ifs/test_cursor_shape_manager.rs

@@ -28,7 +28,7 @@ impl TestCursorShapeManager {
         }
     }
 
-    #[allow(dead_code)]
+    #[expect(dead_code)]
     pub fn destroy(&self) -> TestResult {
         if !self.destroyed.replace(true) {
             self.tran.send(Destroy { self_id: self.id })?;