Fix UI issues: 3 columns, SubNav label, back button, sticky map, hover flyTo

- Homepage roles section now shows 3 columns on medium screens
- SubNavigation catalog offers label changed to "Предложения"
- Removed back button from catalog/offers page
- ListMapLayout: sticky map with full height
- ListMapLayout: hover on card flies to location on map

app/pages/clientarea/orders/index.vue

@@ -26,6 +26,7 @@
       v-else-if="items.length"
       :items="itemsForMap"
       :selected-item-id="selectedOrderId"
+      :hovered-item-id="hoveredOrderId"
       map-id="orders-map"
       point-color="#6366f1"
       @select-item="onSelectOrder"
@@ -42,6 +43,8 @@
               class="cursor-pointer"
               :class="{ 'ring-2 ring-primary': order.uuid === selectedOrderId }"
               @click="onSelectOrder(order.uuid)"
+              @mouseenter="hoveredOrderId = order.uuid"
+              @mouseleave="hoveredOrderId = undefined"
             >
               <Stack gap="4">
                 <Stack direction="row" justify="between" align="center">
@@ -132,6 +135,7 @@ const {
 const hasError = ref(false)
 const error = ref('')
 const selectedOrderId = ref<string>()
+const hoveredOrderId = ref<string>()
 
 // Map items for ListMapLayout (use source location coordinates)
 const itemsForMap = computed(() => {