Hi Paul Bell Media,
It appears you're wondering if you can disable a certain keyboard shortcut for your iPad Pro and external keyboard. Check out the information below, from the following article, on how to customize or change keyboard shortcuts: Learn iPad keyboard shortcuts - Apple Support
- Open Settings, then tap Accessibility.
- Tap Keyboards.
- Tap Full Keyboard Access and turn it on.
- Tap Commands.
- Tap a command, then press a custom key combination to assign to it.
- Tap Done."
You can change the shortcut so that you no longer trigger that specific shortcut anymore.
Take care.