### Is there an existing issue for this? - [x] I have searched the existing issues ### Current Behavior When selecting a preset and then choosing `None` on the workspace creation page, submitting the form results in `invalid UUID length: 0`.  ### Relevant Log Output ```shell ``` ### Expected Behavior _No response_ ### Steps to Reproduce 1. Set up a template with at least 1 preset 2. Open workspace creation page 3. Select a preset 4. Then select `None` 5. Submit 6. 💥 ### Environment _No response_ ### Additional Context _No response_