fix: Fix some clippy warnings (#509)

Author: DataTriny

platforms/unix/src/executor.rs

@@ -41,7 +41,7 @@ pub(crate) struct Executor<'a> {
     phantom: PhantomData<&'a ()>,
 }
 
-impl<'a> Executor<'a> {
+impl Executor<'_> {
     /// Spawns a task onto the executor.
     pub(crate) fn spawn<T: Send + 'static>(
         &self,

platforms/windows/src/node.rs

@@ -622,7 +622,7 @@ impl PlatformNode {
     }
 
     fn is_root(&self, state: &TreeState) -> bool {
-        self.node_id.map_or(false, |id| id == state.root_id())
+        self.node_id.is_some_and(|id| id == state.root_id())
     }
 }