Task/improve data provider credits component (part 2) (#7831)

Improve data provider credits

apps/api/src/interceptors/transform-data-source-in-response/transform-data-source-in-response.interceptor.ts

@@ -70,6 +70,8 @@ export class TransformDataSourceInResponseInterceptor<
             }
           }
 
+          data.dataProviderInfo = undefined;
+
           if (Object.keys(valueMap).length === 0) {
             return data;
           }
@@ -94,8 +96,6 @@ export class TransformDataSourceInResponseInterceptor<
               'watchlist[*].dataSource'
             ]
           });
-
-          data.dataProviderInfo = undefined;
         }
 
         return data;

apps/client/src/app/components/holding-detail-dialog/holding-detail-dialog.html

@@ -358,7 +358,7 @@
               </form>
             </div>
 
-            @if (dataProviderInfo) {
+            @if (dataProviderInfo?.name) {
               <div class="col-md-12 mb-3 text-center">
                 <hr />
                 <gf-data-provider-credits