feat(ObjectPage): allow customizing role of footerArea container (#7187)

Closes #7173

Author: Lukas742

packages/main/src/components/ObjectPage/index.tsx

@@ -726,7 +726,11 @@ const ObjectPage = forwardRef<ObjectPageDomRef, ObjectPagePropTypes>((props, ref
         <div className={classNames.footerSpacer} data-component-name="ObjectPageFooterSpacer" aria-hidden />
       )}
       {footerArea && (
-        <footer className={classNames.footer} data-component-name="ObjectPageFooter">
+        <footer
+          role={accessibilityAttributes?.objectPageFooterArea?.role}
+          className={classNames.footer}
+          data-component-name="ObjectPageFooter"
+        >
           {footerArea}
         </footer>
       )}

packages/main/src/components/ObjectPage/types/index.ts

@@ -109,6 +109,9 @@ export interface ObjectPagePropTypes extends Omit<CommonProps, 'placeholder'> {
     objectPageAnchorBar?: {
       role?: string;
     };
+    objectPageFooterArea?: {
+      role?: string;
+    };
   };
   /**
    * If set, only the specified placeholder will be displayed as content of the `ObjectPage`, no sections or sub-sections will be rendered.