Add custom call link to op details.

PiperOrigin-RevId: 831471141

Author: cliveverghese

frontend/app/services/data_service_v2/data_service_v2.ts

@@ -252,6 +252,11 @@ export class DataServiceV2 implements DataServiceV2Interface {
 
   getCustomCallTextLink(
       sessionId: string, moduleName: string, opName: string, programId = '') {
+    if (moduleName && opName) {
+      return `${window.parent.location.origin}/${
+          DATA_API}?tag=graph_viewer&module_name=${moduleName}&node_name=${
+          opName}&run=${sessionId}&type=custom_call#profile`;
+    }
     return '';
   }