The tables for adding Inclusive/Exclusive automember rule expressions are not refreshed upon adding an expression when Enter is hit instead of the "Add" button.

Reproduction:
1. Go to an automember rule page
2. Click the "Add" button at either Inclusive or Exclusive expressions table
3. Fill out the "Expression" line
4. Hit Enter

Expected result:
The respective table shows the new data.

Actual result:
The table stays the same.