Hello,
Go to Appearance > Menus > edit the Main menu > menu item settings > unselect Design and Static block – https://gyazo.com/6ddcafe730efec65a979b06188470ee3
The icon you can change or delete here – https://prnt.sc/4ktsmSonk6PP https://xstore.8theme.com/xstore-icons/
Also, enable Elementor for static blocks – https://xstore.helpscoutdocs.com/article/47-static-blocks
Regards