Fix clippy lints for new 1.78 stable toolchain

wgpu/src/primitive.rs

@@ -67,7 +67,7 @@ pub struct Storage {
 impl Storage {
     /// Returns `true` if `Storage` contains a type `T`.
     pub fn has<T: 'static>(&self) -> bool {
-        self.pipelines.get(&TypeId::of::<T>()).is_some()
+        self.pipelines.contains_key(&TypeId::of::<T>())
     }
 
     /// Inserts the data `T` in to [`Storage`].

widget/src/keyed/column.rs

@@ -224,7 +224,7 @@ where
         );
 
         if state.keys != self.keys {
-            state.keys = self.keys.clone();
+            state.keys.clone_from(&self.keys);
         }
     }
 

winit/src/multi_window.rs

@@ -1190,7 +1190,7 @@ fn run_command<A, C, E>(
 }
 
 /// Build the user interface for every window.
-pub fn build_user_interfaces<'a, A: Application, C: Compositor>(
+pub fn build_user_interfaces<'a, A: Application, C>(
     application: &'a A,
     debug: &mut Debug,
     window_manager: &mut WindowManager<A, C>,