The drop down content of custom field out of the border if it is too long

• Type: Bug
• Status: Verified
• Resolution: Unresolved
• Affects Version/s: 7.2.X, Master
• Fix Version/s: None
• Component/s: Portal Configuration > Custom Fields
• Labels:
  • usm_73_reproducible
• Fix Priority: 2
• QA Test Name:
  • Manual_Environment_Users_and_System_Management
• QA Test Score: 5

Steps to reproduce:

1. Start portal and login.
2. Go to Control Panel > Configuration > Custom Field.
3. Choose any resource like blogs, and add a "drop down" custom field for it.
4. Add a very long content without line break.
5. Go to Content > Blog, add a blog and check the custom field.

Expected Result:
The drop down list content has character limit.
Actual Result:
The drop down list content is out of the border.