**Describe the bug** 1. Add a SQL repeater block with a filter 2. Change the data source to 'Custom' 3. See that the filter remains, but I can't remove it **Screenshots** <img width="1122" height="448" alt="Image" src="https://github.com/user-attachments/assets/33ce0370-9296-404e-a450-2389b54d0311" />