fix: keep mobile navbar blur above progress dialog

Author: jxxghp

src/@core/scss/_misc.scss

@@ -22,6 +22,7 @@ code {
 
 %blurry-bg {
   position: relative;
+  isolation: isolate;
   box-shadow: 0 1px 3px rgba(0, 0, 0, 4%), 0 1px 2px rgba(0, 0, 0, 2%);
 
   @media (width >= 1280px) and (hover: hover) {