If you do not use the split view Button you can remove it from the toolbar. That should disable the accelerator.
There is a setting to disable the accelerator but it does only work for the menubar not for the toolbar (not sure if this is intended). I think its reasonable to have a setting for that aswell.
I meant to look into this because there is also another bug report (not yours) that has issues with the accelerators. Sadly didn’t have the time yet.