Don't dispatch events to flex children outside of parent flex's bounds

crates/gpui/src/elements/flex.rs

@@ -270,6 +270,12 @@ impl Element for Flex {
         _: &mut Self::PaintState,
         cx: &mut EventContext,
     ) -> bool {
+        if let Some(position) = event.position() {
+            if !bounds.contains_point(position) {
+                return false;
+            }
+        }
+
         let mut handled = false;
         for child in &mut self.children {
             handled = child.dispatch_event(event, cx) || handled;