Fix enum names being truncated

Summary: Changelog: [Layout] Fixed issue where enum dropdowns would truncate their items

Reviewed By: jknoxville

Differential Revision: D29130378

fbshipit-source-id: cd05623d3c7db2ec18bb128f8bee3cd7a78cfe19

desktop/flipper-plugin/src/ui/data-inspector/DataDescription.tsx

@@ -631,6 +631,7 @@ class DataDescriptionContainer extends PureComponent<{
             }
             size="small"
             style={{fontSize: 11}}
+            dropdownMatchSelectWidth={false}
           />
         );
       }