fix(prospecting): replace missing icons with available registry icons

map-pin→location-marker, target→cursor-click, device-mobile→phone, radar→globe-alt

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

app/modules/prospecting/templates/prospecting/admin/scan-jobs.html

@@ -34,7 +34,7 @@
     </button>
     <button @click="startBatchJob('score_compute')"
             class="inline-flex items-center px-4 py-2 text-sm font-medium text-white bg-red-600 rounded-lg hover:bg-red-700">
-        <span x-html="$icon('target', 'w-4 h-4 mr-2')"></span>
+        <span x-html="$icon('cursor-click', 'w-4 h-4 mr-2')"></span>
         Compute Scores
     </button>
 </div>