Issue Summary

After changing the space key, the preflight checks are failing with the following error.

A space with key "Key" already exists 

Steps to Reproduce

1. Change the space key from the user interface, ensuring that the same space exists in the destination.
2. Begin copying data for the updated space key.

Expected Results

It should allow to re-use of a space key after the space key is changed

Actual Results

A space with key "Key" already exists

Workaround

• Remove the space from the destination and perform the migration again.
  Or

• Export the space in XML format, modify the space key in the entities.xml file, and then import it into the destination.