It is possible to select a policy limitation twice.

Steps:

1. To a role add a policy which supports limitations e.g. Segment / Read.
2. Add one limitation and save.
3. Edit the policy again.
4. Click on the previously added limitation and try to add it again.

Actual result: The same limitation can be added twice. Please see attached.
Expected result: Policy marked as selected cannot be added again.

Remarks: https://recordit.co/pH2T1K0b6w