When we have a property set with key,values set and added to a repository, once we make any modification (addition/deletion of values) to the property set it will still be listing the old set of values in the values dropdown button.
Steps to reproduce :
1. Create property set with Value Type = Multi Select and add some values.
2. Add this property set to a repository configurations.
3. Add a property from the set to the repository properties.
4. Go back to the property set, delete a value from the value list and add a new one.
5. Go back to the repository and see that the old list of values is loaded.