fix(tenancy): use is_production() for invitation URL instead of debug flag

Using debug flag for environment detection is unreliable — if left
True in prod, links would point to localhost. Now uses the proper
is_production() from environment module.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

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

@@ -29,11 +29,6 @@
             <span x-html="$icon('chart-bar', 'w-4 h-4 mr-2')"></span>
             Performance Scan
         </button>
-        <button type="button" @click="startBatchJob('contact_scrape')"
-                class="inline-flex items-center px-4 py-2 text-sm font-medium leading-5 text-white transition-colors duration-150 bg-purple-600 border border-transparent rounded-lg hover:bg-purple-700 focus:outline-none">
-            <span x-html="$icon('mail', 'w-4 h-4 mr-2')"></span>
-            Contact Scrape
-        </button>
         <button type="button" @click="startBatchJob('score_compute')"
                 class="inline-flex items-center px-4 py-2 text-sm font-medium leading-5 text-white transition-colors duration-150 bg-red-600 border border-transparent rounded-lg hover:bg-red-700 focus:outline-none">
             <span x-html="$icon('cursor-click', 'w-4 h-4 mr-2')"></span>