fix: remove separate /map pages, add hover highlight to CatalogPage

- Delete hubs/map.vue, offers/map.vue, suppliers/map.vue
- Pass hoveredId to CatalogMap for marker highlighting
- Split view on main pages (like Airbnb) is the correct approach

app/components/page/CatalogPage.vue

@@ -54,6 +54,7 @@
                   :map-id="mapId"
                   :items="itemsWithCoords"
                   :point-color="pointColor"
+                  :hovered-item-id="hoveredId"
                   @select-item="onMapSelect"
                 />
               </ClientOnly>
@@ -98,6 +99,7 @@
                 :map-id="`${mapId}-mobile`"
                 :items="itemsWithCoords"
                 :point-color="pointColor"
+                :hovered-item-id="hoveredId"
                 @select-item="onMapSelect"
               />
             </ClientOnly>