Unfortunately no, the current input system makes it really hard to save keybinds
If you're really desperate for a workaround, you can use an AutoHotkey script
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I mean one of these https://www.autohotkey.com/ https://www.howtogeek.com/409581/how-to-write-an-autohotkey-script/
Kinda complex sorry but like I said it's not ideal. I would recommend just using the default keys if possible, you can find the list in the settings