refs #20451 [fid_adlr] Visited links fixes

* fixes visited links color in mobile menu
* forces azure color to overwrite :not declarations

themes/fid_adlr/scss/_customMixins.scss

@@ -282,6 +282,10 @@
       color: $azure !important;
     }
 
+    &:visited {
+      color: $azure !important;
+    }
+
     @media screen and (min-width: $screen-sm-min) and (max-width: $screen-md-max) {
       font-size: $font-size-menu-sm;
       left: calc(#{$logo-max-width} / 2);