Fix catalog issues: quantity input, checkbox position, glass header

1. Quantity input in Quote mode: replaced button with inline number input
2. Checkbox position: moved to left side (next to panel) instead of right
3. MapPanel glass header: fixed sticky positioning by moving negative margins to children

app/layouts/topnav.vue

@@ -33,6 +33,7 @@
         @edit-token="editFilter"
         @remove-token="removeFilter"
         @update:search-query="searchQuery = $event"
+        @update-quantity="setQuantity"
         @search="onSearch"
       />
 
@@ -66,6 +67,7 @@ const {
   cancelSelect,
   removeFilter,
   editFilter,
+  setQuantity,
   catalogMode,
   setCatalogMode,
   productLabel,