Steam Deck users can now play with mouse and keyboard connected

• right trackpad now functions like the cursor, clicking in the right trackpad will make it function as a left mouse button click
• for those used to the right trackpad functioning for the camera like the joystick, please use the community layout
• that layout also includes the feature of pressing in the right trackpad for quick kart access, as well as the left trackpad functioning like a mouse
• because of these changes, you can now also use the touchscreen in the game for UI, etc.