fix publication preview (max-width is determined by bootstrap in v5)

Author: rohandebsarkar

_sass/_base.scss

@@ -492,7 +492,6 @@ footer.sticky-bottom {
       .preview {
         width: 100%;
         min-width: 80px;
-        max-width: 200px;
       }
       .abbr {
         height: 2rem;