chore: revert dispatch hooks firing on inner elements

This resulted in link buttons opening twice, since <a> elements will activate on synthetic click events.

PiperOrigin-RevId: 879840032

Author: asyncliz

iconbutton/internal/icon-button.ts

@@ -267,9 +267,8 @@ export class IconButton extends iconButtonBaseClass implements FormSubmitter {
 
   private renderRipple() {
     const isRippleDisabled = !this.href && (this.disabled || this.softDisabled);
-    // TODO(b/310046938): use the same id for both elements
     return html`<md-ripple
-      for=${this.href ? 'link' : nothing}
+      .control=${this}
       ?disabled="${isRippleDisabled}"></md-ripple>`;
   }
 

internal/events/dispatch-hooks.ts

@@ -154,7 +154,7 @@ export function setupDispatchHooks(
         // Re-dispatch the event. We can't reuse `redispatchEvent()` since we
         // need to add the hooks to the copy before it's dispatched.
         isRedispatching = true;
-        const dispatched = event.composedPath()[0].dispatchEvent(eventCopy);
+        const dispatched = element.dispatchEvent(eventCopy);
         isRedispatching = false;
         if (!dispatched) {
           event.preventDefault();

internal/events/dispatch-hooks_test.ts

@@ -39,21 +39,6 @@ describe('dispatch hooks', () => {
         .withContext('element.addEventListener')
         .toHaveBeenCalledTimes(3);
     });
-
-    it('triggers internal event listeners when a composed element is the source of the event', () => {
-      const shadowRoot = element.attachShadow({mode: 'open'});
-      const composedElement = document.createElement('button');
-      shadowRoot.appendChild(composedElement);
-      const innerClickListener = jasmine.createSpy('innerClickListener');
-      composedElement.addEventListener('click', innerClickListener);
-
-      setupDispatchHooks(element, 'click');
-      composedElement.click();
-
-      expect(innerClickListener)
-        .withContext('innerClickListener')
-        .toHaveBeenCalledTimes(1);
-    });
   });
 
   describe('afterDispatch()', () => {