Cannot create new sites, wiki pages... or anything with asset_tags_selector

• Type: Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: 6.2.0 CE B1
• Fix Version/s: 6.2.0 CE B1
• Component/s: ~ [Archived] Frontend Infrastructure
• Labels:
  • QA-KC
  • QA-R
• Story Points: 2
• Fix Priority: 5
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal/pull/12849

Steps to reproduce:

Method 1:
1. Go to Control Panel > Sites
2. Add new Blank Site
3. Enter a name and click Save. Nothing happens

Method 2:
1. Go to Sites Administration > Content > Wiki
2. Add a new Wiki page
3. Enter a name and click Save. Nothing happens

The Browser JS console shows this error:

Uncaught TypeError: Cannot call method 'preventDefault' of undefined
...asset_tags_selector.js