Renaming a window to an existing closed Session indefinitely prompts user to confirm

[codedread]

1. Have a new, unnamed window open.
2. Open the Spaces window
3. Click the pencil icon and rename using an existing closed Space's name.
4. User is prompted to confirm A session with the name... already exists. Do you want to overwrite it?
5. Click Cancel

Result:

Things go back to 4) and prompts the user again.

[codedread]

Same issue happens with an existing open Space with an infinite prompting of A session with the name ... is currently open and cannot be overwritten