Keep left navigation toggle active on mobile

styles/29-patterns-left-navigation.css

@@ -28,6 +28,10 @@
   display: none;
 }
 
+.sg-left-navigation-pattern__toggle {
+  display: none;
+}
+
 .sg-left-navigation-pattern__group-card {
   min-width: 0;
 }
@@ -55,13 +59,14 @@
     margin-bottom: 0;
   }
 
+  .sg-left-navigation-pattern__toggle {
+    display: inline-flex;
+    flex: 0 0 auto;
+  }
+
   .sg-left-navigation-pattern__group-card--navigation {
     flex: 0 0 auto;
     width: 100%;
     max-width: none;
   }
-
-  .sg-left-navigation-pattern__toggle {
-    flex: 0 0 auto;
-  }
 }