Move mode toggle to TopNav, view toggle to map right

- Add [Explore/Quote] mode toggle to MainNavigation.vue (TopNav)
- Remove mode toggle from CatalogPage.vue (now in header)
- Move [Offers/Hubs/Suppliers] view toggle from top-left to top-right on map
- View toggle now visible in both modes (Explore and Quote)
- Simplify mobile layout to show only view toggle

app/layouts/topnav.vue

@@ -16,6 +16,8 @@
         :available-chips="availableChips"
         :select-mode="selectMode"
         :search-query="searchQuery"
+        :show-catalog-mode-toggle="isCatalogSection"
+        :catalog-mode="catalogMode"
         @toggle-theme="toggleTheme"
         @sign-out="onClickSignOut"
         @sign-in="signIn()"
@@ -25,6 +27,7 @@
         @edit-token="editFilter"
         @remove-token="removeFilter"
         @update:search-query="searchQuery = $event"
+        @set-catalog-mode="setCatalogMode"
       />
 
       <!-- Sub Navigation (section-specific tabs) - only for non-catalog sections -->
@@ -56,7 +59,9 @@ const {
   startSelect,
   cancelSelect,
   removeFilter,
-  editFilter
+  editFilter,
+  catalogMode,
+  setCatalogMode
 } = useCatalogSearch()
 
 // Collapsible header for catalog pages