Toggling Show all models can cause pagination errors

Found while working on #1494 (closed)

1. Create a process.
2. Select a worker version with a user_configuration that includes a model field.
3. Ensure you have at least 21 models in your database that are not compatible with this worker version.
4. Open the worker configuration picker to create a new configuration.
5. Open the model picker modal for the model field.
6. Enable Show all models so that at least two pages of models are displayed.
7. Select the last page.
8. Disable Show all models.
9. Get an An error occurred listing models: Invalid page. notification.
10. Cry.