fix(card-in-card): ensure that the card image is clickable (#8361)

### Related Ticket(s)

#8300

### Description

- This PR addresses the issue where the card image within the `<dds-card-in-card>` is not clickable.
- See the issue for more detail - #8300

### Changelog

**New**

- Add a new variable declaration for checking for `<dds-card-in-card-image>` that's wrapped under `<dds-video-cta-container>`.

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packages/web-components/src/components/card-in-card/card-in-card.ts

@@ -49,8 +49,14 @@ class DDSCardInCard extends StableSelectorMixin(DDSCardCTA) {
       linkNode.classList.add(`${prefix}--card-in-card`);
     }
 
-    if (this.querySelector(`${ddsPrefix}-card-in-card-image`)) {
-      (this.querySelector(`${ddsPrefix}-card-in-card-image`) as HTMLElement).onclick = () =>
+    const cardInCardImage = this.querySelector(`${ddsPrefix}-card-in-card-image`);
+    const cardInCardImageVideo = this.parentElement
+      ?.querySelector(`${ddsPrefix}-card-in-card`)
+      ?.shadowRoot?.querySelector('dds-card-in-card-image');
+
+    // fires the card cta footer when card image is clicked
+    if (cardInCardImage || cardInCardImageVideo) {
+      ((cardInCardImage as HTMLElement) || (cardInCardImageVideo as HTMLElement)).onclick = () =>
         this.querySelector(`${ddsPrefix}-card-cta-footer`)
           ?.shadowRoot?.querySelector(`a`)
           ?.click();