Unable to delete schedule overrides in UI

Issue Summary

As a Customer, We are unable to delete the schedule overrides in UI created via API with an alias name containing the space

Steps to Reproduce

1. Create a schedule override via API with an alias name as "Override Alias"
2. Try to delete the newly created schedule override in opsgenie UI.

Expected Results

Override scheduled to be deleted successfully 

Actual Results

Unable to delete the override schedule 

Workaround

Try to use the underscore instead of space in the alias name