keyboard – MS OneNote beginning/end of line shortcuts on Mac

I am using OneNote on a Mac and the beginning of line and end of line shortcuts are Ctrl+A and Ctrl+E, respectively. I prefer the alternatives Fn+< and Fn+> instead, which work in other applications on Mac but not in OneNote for some reason. I tried adding them from System Preferences > Keyboard > Shortcuts > App Shortcuts, but looks like you cannot add a shortcut with a Fn button there. Any ideas on how to enable using Fn+< and Fn+> as the beginning of line and end of line shortcuts in OneNote on Mac?

Note: I am using a Mac 2019 with a touchbar that is controlled by the Fn key.