fix(overlays): prevent accidental clicks when dismissing overlays (#21093)

fixes #21092

core/src/utils/overlays.ts

@@ -156,6 +156,8 @@ export const dismiss = async (
   overlay.presented = false;
 
   try {
+    // Overlay contents should not be clickable during dismiss
+    overlay.el.style.setProperty('pointer-events', 'none');
     overlay.willDismiss.emit({ data, role });
     const mode = getIonMode(overlay);
     const animationBuilder = (overlay.leaveAnimation)