Layer autosuggest results over regular content

Otherwise they will be placed below the footer. On short pages this
means that material results will not be shown.

Author: kasperg

src/stories/Library/autosuggest-text/autosuggest-text.scss

@@ -5,11 +5,11 @@
   left: 0;
   right: 0;
   top: calc(100% + 1px);
-    
+  z-index: 1;
+
   @include breakpoint-m {
     padding-top: 16px;
   }
-  
 
   &__text {
     height: 40px;
@@ -20,7 +20,7 @@
       background-color: $c-global-secondary;
       cursor: pointer;
     }
-  
+    
     &--highlight {
       background-color: $c-global-secondary;
     }