make theme not required, it have a default
make theme not required, it have a default

wix/wix-style-react,nirhart/wix-style-react,nirhart/wix-style-react,skyiea/wix-style-react,wix/wix-style-react,skyiea/wix-style-react,skyiea/wix-style-react,wix/wix-style-react,wix/wix-style-react