Revert "fix: Tote src-type-display Referenzen entfernt (Element existiert nicht im HTML)"

This reverts commit 34eb28d622.

src/static/js/app.js

@@ -2731,6 +2731,7 @@ const App = {
                 const typeLabel = this._discoveredData.source_type === 'rss_feed' ? 'RSS-Feed' : this._discoveredData.source_type === 'telegram_channel' ? 'Telegram' : 'Web-Quelle';
                 const typeSelect = document.getElementById('src-type-select');
                 if (typeSelect) typeSelect.value = this._discoveredData.source_type || 'web_source';
+                document.getElementById('src-type-display').value = typeLabel;
 
                 const rssGroup = document.getElementById('src-rss-url-group');
                 const rssInput = document.getElementById('src-rss-url');
@@ -2810,6 +2811,7 @@ const App = {
         const typeLabel = source.source_type === 'rss_feed' ? 'RSS-Feed' : source.source_type === 'telegram_channel' ? 'Telegram' : 'Web-Quelle';
         const typeSelect = document.getElementById('src-type-select');
         if (typeSelect) typeSelect.value = source.source_type || 'web_source';
+        document.getElementById('src-type-display').value = typeLabel;
 
         const rssGroup = document.getElementById('src-rss-url-group');
         const rssInput = document.getElementById('src-rss-url');