Forms - Cannot select multiple options when feature is selected

• Type: Bug
• Status: Closed
• Resolution: No Longer Reproducible
• Affects Version/s: 7.0.0 Alpha 2
• Fix Version/s: 7.0.0 Alpha 3
• Component/s: Forms
• Labels:
  • EXP7
• Fix Priority: 3
• Sprint: Sprint 4: Nov, 09 - Nov, 20
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal/pull/32407

After checking the 'Multiple" box in the Select field settings, the User is still unable to select multiple options.

Steps to reproduce:

1. Go to Admin > Forms
2. Add Form with Select field
3. In Select field settings, go to 'Show Advanced Options'
4. Create multiple option labels and values
5. Select "Multiple" check box
6. Add Form portlet to a page
7. Select created Form
8. Select multiple options from the Select field

Expected result:
User is able to select multiple options when "Multiple" check box is selected.

Actual result:
"Multiple" feature does not work and User can only select 1 option.

Reproduced on:
Tomcat 7.0.62 + MYSQL 5.6.26
Portal master GIT ID 5ebe3ac0c386e448ce234d4cf65e8ff3bb8d5608