[UI] Fix for parameter form (#11875)

- Ensure string field is properly selected

src/frontend/src/forms/CommonForms.tsx

@@ -216,6 +216,9 @@ export function useParameterFields({
             }
           } else if (record?.selectionlist) {
             setFieldType('related field');
+          } else {
+            // Default to a simple string field
+            setFieldType('string');
           }
         },
         addCreateFields: user.isStaff() ? templateCreateFields : undefined