Implement Site Builder Metadata and Enhance Wizard Functionality

- Introduced new models for Site Builder options, including BusinessType, AudienceProfile, BrandPersonality, and HeroImageryDirection.
- Added serializers and views to handle metadata for dropdowns in the Site Builder wizard.
- Updated the SiteBuilderWizard component to load and display metadata, improving user experience with dynamic options.
- Enhanced BusinessDetailsStep and StyleStep components to utilize new metadata for business types and brand personalities.
- Refactored state management in builderStore to include metadata loading and error handling.
- Updated API service to fetch Site Builder metadata, ensuring seamless integration with the frontend.

frontend/src/components/common/SiteAndSectorSelector.tsx

@@ -11,7 +11,13 @@ import { useSiteStore } from '../../store/siteStore';
 import { useSectorStore } from '../../store/sectorStore';
 import { useAuthStore } from '../../store/authStore';
 
-export default function SiteAndSectorSelector() {
+interface SiteAndSectorSelectorProps {
+  hideSectorSelector?: boolean;
+}
+
+export default function SiteAndSectorSelector({
+  hideSectorSelector = false,
+}: SiteAndSectorSelectorProps) {
   const toast = useToast();
   const { activeSite, setActiveSite, loadActiveSite } = useSiteStore();
   const { activeSector, sectors, setActiveSector, loading: sectorsLoading } = useSectorStore();
@@ -170,7 +176,7 @@ export default function SiteAndSectorSelector() {
       </div>
 
       {/* Sector Selector */}
-      {!sectorsLoading && sectors.length > 0 && (
+      {!hideSectorSelector && !sectorsLoading && sectors.length > 0 && (
         <div className="relative inline-block">
           <button
             ref={sectorButtonRef}