Fix overlapping elements in metadata schema editor

[#1]

Request for Feature Enhancement (RFE) Summary:	Fix overlapping elements in metadata schema editor
Use-case:	To have a better user experience in using the metadata schema editor
Current/Experienced Behavior:	Currently, there are some overlapping elements in the metadata schema editor. Some of these examples are using the "Multi-line text" field and adding multiple options for dropdowns. See screenshots below.
Improved/Expected Behavior:	No overlapping elements or no UI errors
Environment Details (AEM version/service pack, any other specifics if applicable):
Customer-name/Organization name:
Screenshot (if applicable):
Code package (if applicable):

[#2]

Hello @cyle_valdez 

Thanks for proposing the idea

Could you please clarify which version of AEM you are using to face these issues? 

I tried the dropdown on 6.5.11 and didn't have any overlapping issue

Also tried the same on AEM Cloud Service