fix (MessageBoxFunctionalLayout): when rendering a Loader component (#4212)
fix (MessageBoxFunctionalLayout): when rendering a Loader component (#4212)

inside a confirm button of MessageBoxFunctionalLayout component,
the layout breaks and the button "jumps up".
wix/wix-style-react,wix/wix-style-react,wix/wix-style-react,wix/wix-style-react