Halation & grain still present with "toggle" option

**Description** Write a clear and concise description of the bug here: When I click on the "toggle split view" button, the Halation & Grain are still active on the left part of the image. It would be more logical to remove them from this left part. **Reproduction Steps** How do you trigger this bug? Please walk us through it step by step: 1. Activating Halation 2.Clicking Toggle Split View 3. **Device Type** [V] Desktop [] Mobile [] Tablet **Browser** [] Chrome [V] Firefox [] Safari [] Edge **Operating System** [] MacOS [V] Windows [] Linux [] iOS [] Android