fix(frontend): first time choosing a pipeline definition is VERY slow. …

…Fixes kubeflow#10897 (kubeflow#11130)

Signed-off-by: Elay Aharoni (EXT-Nokia) <elay.aharoni.ext@nokia.com>
Co-authored-by: Elay Aharoni (EXT-Nokia) <elay.aharoni.ext@nokia.com>

frontend/src/pages/NewRunSwitcher.tsx

@@ -162,7 +162,7 @@ function NewRunSwitcher(props: PageProps) {
     recurringRunIsFetching ||
     pipelineIsFetching ||
     pipelineVersionIsFetching ||
-    v1TemplateStrIsFetching ||
+    (!isTemplateV2(templateString) && v1TemplateStrIsFetching) ||
     experimentIsFetching
   ) {
     return <div>Currently loading pipeline information</div>;