feat: Added new accordion with updated styles CLOUDP-314036 (#6902)

* added new accordion with updated styles

* cleaned up redundant code and added tests

* reusing original accordion

Author: rubydong

packages/compass-indexes/src/components/create-index-form/create-index-form.tsx

@@ -170,8 +170,10 @@ function CreateIndexForm({
         />
       )}
 
-      {/* TODO in CLOUDP-314036: update the accordion design */}
-      <Accordion data-testid="create-index-modal-toggle-options" text="Options">
+      <Accordion
+        data-testid="create-index-modal-toggle-options"
+        text={showIndexesGuidanceVariant ? 'Index Options' : 'Options'}
+      >
         <div
           data-testid="create-index-modal-options"
           className={createIndexModalOptionStyles}