Issue Summary

Unable to leave the User type & Object type attributes value blank for existing objects with minimum cardinality set to "0" in the new Assets UI if any other attribute has the minimum cardinality set to "1" in the object type. This issue is not faced for the newly created objects in the object type.

Steps to Reproduce

1. Create a text type attribute and set its minimum cardinality to "1" 
2. Trying to update the existing objects to remove the user type or object type attribute values to make it blank in the object type, throws an error: "At least one value must be set"

Expected Results

It should allow to remove the values and leave the attribute blank as the minimum cardinality is set to "0" for the attributes.

Actual Results

The below error is thrown when trying to clear the value from User type or object type attributes:

At least one value must be set

Workaround

Identify the attributes in the object type with minimum cardinality set to "1" and update the minimum cardinality to "0".