Losing predefined media queries

Hi. I have a predefined json of a template which contains a set of html elements and styles which are parsed into the set of components upon grapesjs load. The css contains some of the default media query rules which I'd like to keep for the template. Commands editor.getHTML() and editor.getCSS() return correct values when the page is loaded. I want to have the possibility to modify the html and css code separately and rebuild the components. If I try to use the same html and css code to save the template, my predefined media queries are lost after the components are reset at the canvas: In s...