fix(select): auto-scroll to selected item for all interfaces (#30202)

Issue number: resolves #19296

---------

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issue. -->

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## What is the current behavior?
<!-- Please describe the current behavior that you are modifying. -->
- when the ion-select is with the interface action-sheet or alert is not
scrolling to the selected item on open

## What is the new behavior?
<!-- Please describe the behavior or changes that are being added by
this PR. -->
- change test page so all select have scroll;
- guarantee focusVisibleElement is called on all interfaces;

## Does this introduce a breaking change?

- [ ] Yes
- [x] No

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## Other information

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screenshots of how the component looks before and after the change. -->

---------

Co-authored-by: Brandy Smith <brandyscarney@users.noreply.github.com>

core/src/components/select/select.tsx

@@ -310,19 +310,10 @@ export class Select implements ComponentInterface {
     }
     this.isExpanded = true;
     const overlay = (this.overlay = await this.createOverlay(event));
-    overlay.onDidDismiss().then(() => {
-      this.overlay = undefined;
-      this.isExpanded = false;
-      this.ionDismiss.emit();
-      this.setFocus();
-    });
 
-    await overlay.present();
-
-    // focus selected option for popovers and modals
-    if (this.interface === 'popover' || this.interface === 'modal') {
+    // Add logic to scroll selected item into view before presenting
+    const scrollSelectedIntoView = () => {
       const indexOfSelected = this.childOpts.findIndex((o) => o.value === this.value);
-
       if (indexOfSelected > -1) {
         const selectedItem = overlay.querySelector<HTMLElement>(
           `.select-interface-option:nth-child(${indexOfSelected + 1})`
@@ -345,6 +336,7 @@ export class Select implements ComponentInterface {
             | HTMLIonCheckboxElement
             | null;
           if (interactiveEl) {
+            selectedItem.scrollIntoView({ block: 'nearest' });
             // Needs to be called before `focusVisibleElement` to prevent issue with focus event bubbling
             // and removing `ion-focused` style
             interactiveEl.setFocus();
@@ -372,8 +364,40 @@ export class Select implements ComponentInterface {
           focusVisibleElement(firstEnabledOption.closest('ion-item')!);
         }
       }
+    };
+
+    // For modals and popovers, we can scroll before they're visible
+    if (this.interface === 'modal') {
+      overlay.addEventListener('ionModalWillPresent', scrollSelectedIntoView, { once: true });
+    } else if (this.interface === 'popover') {
+      overlay.addEventListener('ionPopoverWillPresent', scrollSelectedIntoView, { once: true });
+    } else {
+      /**
+       * For alerts and action sheets, we need to wait a frame after willPresent
+       * because these overlays don't have their content in the DOM immediately
+       * when willPresent fires. By waiting a frame, we ensure the content is
+       * rendered and can be properly scrolled into view.
+       */
+      const scrollAfterRender = () => {
+        requestAnimationFrame(() => {
+          scrollSelectedIntoView();
+        });
+      };
+      if (this.interface === 'alert') {
+        overlay.addEventListener('ionAlertWillPresent', scrollAfterRender, { once: true });
+      } else if (this.interface === 'action-sheet') {
+        overlay.addEventListener('ionActionSheetWillPresent', scrollAfterRender, { once: true });
+      }
     }
 
+    overlay.onDidDismiss().then(() => {
+      this.overlay = undefined;
+      this.isExpanded = false;
+      this.ionDismiss.emit();
+      this.setFocus();
+    });
+
+    await overlay.present();
     return overlay;
   }