fix(ui): use nodrag on invinput in workflow editor

Closes #5476

invokeai/frontend/web/src/features/nodes/components/flow/nodes/Invocation/fields/inputs/StringFieldInputComponent.tsx

@@ -42,7 +42,13 @@ const StringFieldInputComponent = (
     );
   }
 
-  return <InvInput onChange={handleValueChanged} value={field.value} />;
+  return (
+    <InvInput
+      className="nodrag"
+      onChange={handleValueChanged}
+      value={field.value}
+    />
+  );
 };
 
 export default memo(StringFieldInputComponent);