Add mode toggle [Explore|Quote] left of search form in header

app/layouts/topnav.vue

@@ -21,7 +21,9 @@
         :hub-label="hubLabel"
         :quantity="quantity"
         :can-search="canSearch"
+        :show-mode-toggle="isCatalogSection"
         @toggle-theme="toggleTheme"
+        @set-catalog-mode="setCatalogMode"
         @sign-out="onClickSignOut"
         @sign-in="signIn()"
         @switch-team="switchToTeam"
@@ -64,6 +66,7 @@ const {
   removeFilter,
   editFilter,
   catalogMode,
+  setCatalogMode,
   productLabel,
   hubLabel,
   quantity,