[Solved] Linux Mint 20.1 unbind “hidden” shortcuts

fweigl Asks: Linux Mint 20.1 unbind “hidden” shortcuts
Linux Mint 20.1 with Cinnamon opens the terminal when hitting Super+2 and brings windows to the front with Super+3 and Super+4. Super meaning the Windows-Key.

I would like to use these shortcuts otherwise, but going into the shortcuts tab of the “keyboard” window, the unwanted shortcuts are not even registered there, so I can’t unbind them. Are they maybe a remnant of Ubuntu, and most importantly: how do I remove / disable these pre-defined shortcuts?

PS: Here’s screenshots of my shortcut settings; I want Super+2 to switch to workspace 2, nonetheless it opens the terminal.


Screenshot

Screenshot2

Edit:

This is the (relevant) output of dconf dump /:

Code:
[org/cinnamon/desktop/keybindings/wm]
push-tile-left=@as []
push-tile-right=@as []
switch-to-workspace-1=['<Super>1']
switch-to-workspace-2=['<Super>2']
switch-to-workspace-3=['<Super>3']
switch-to-workspace-4=['<Super>4']
switch-to-workspace-left=['<Super>Left']
switch-to-workspace-right=['<Super>Right']

so the shortcuts I want are correctly registered there.

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