Hello,
1/ You can use the next custom CSS code (Theme Options > Theme custom CSS):
.site-header { direction: ltr; }
2/ It will be disabled by default if you have created at least one header template using the Elementor headers & footers plugin. Check answer in this topic also – https://www.8theme.com/topic/xstore-studio-how-to-insert/#post-267419
Regards
