The Quick Announcement Bar is designed to not recognize more than one space between words. This is because even if you space it perfectly for Desktop, the Tablet and Mobile version may not display well.

You could use different bars to target Desktop and Mobile (a premium feature) and only add spaces to the Desktop version. To do this, you will need to use the HTML code for a space, which is  

To create three spaces side-by-side, you would write: