feat: show iTunes enrichment status indicator in Spotify importer

index.html

@@ -376,6 +376,7 @@
         </div>
         <div id="spotify-preview" style="display:none;margin-top:20px">
           <div id="spotify-preview-inner"></div>
+          <div id="spotify-enrich-status" style="display:none"></div>
           <div id="spotify-tracks-section" style="display:none">
             <div class="section-header" style="margin-top:8px">
               <span class="section-title" id="spotify-tracks-title">Tracks</span>