Renaming a judging room or robot game table moves it to the bottom of the list

**Describe the bug**
In the admin app's event venue page, when renaming a judging room or robot game table, it jumps to the bottom of the list

**To Reproduce**
Steps to reproduce the behavior:
1. Go to admin event venue page 
2. Add a judging room or robot game table
3. Rename the first one
4. It will jump to the bottom of the list

**Expected behavior**
Order will be preserved across edits