Cannot remove empty option from multiple select field

• Type: Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: Master
• Fix Version/s: Master
• Component/s: Forms
• Labels: None
• Fix Priority: 3
• Sprint: Forms_7.2_15
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal/pull/67566

Steps to reproduce:

1. Go to Content -> Forms
2. add a new Form
3. add a field "Multiple Selection"
4. add two options
   Expected Results:
   Only two options appear.
   Actual Results:
   A third empty option is on the form and cannot be removed.