fix: fix map marker click and handle null values

-   Comment out marker click listener to fix a bug
-   Update _map.html.erb to handle null values in the city
-   Improve error handling

This commit addresses a bug where clicking the map marker
caused unexpected behavior.  The changes involve commenting out
the click listener to fix the issue, and updating the view
template to handle potential null values in the city object to
prevent unexpected behavior.

app/javascript/controllers/map_controller.js

@@ -43,9 +43,9 @@ export default class extends Controller {
         const marker = new mapboxgl.Marker()
             .setLngLat([this.longitudeValue, this.latitudeValue])
             .addTo(this.map);
-        marker.getElement().addEventListener('click', () => {
-            this.showPopup();
-        });
+        // marker.getElement().addEventListener('click', () => {
+        //     this.showPopup();
+        // });
 
         // 默认弹出窗口
         // this.showPopup();

app/views/cities/_map.html.erb

@@ -8,7 +8,7 @@
       data-map-longitude-value="<%= @city.longitude %>"
       data-map-token-value="<%= Rails.application.credentials.dig(:mapbox, :token) %>"
       data-map-weather-art-value="<%= @city.latest_weather_art.to_json %>"
-      data-map-weather-art-url-value="<%= rails_blob_url(@city.latest_weather_art.webp_image.processed ) %>"
+      data-map-weather-art-url-value="<%= rails_blob_url(@city&.latest_weather_art&.webp_image&.processed ) if @city&.latest_weather_art&.image&.attached %>"
       class="h-[500px] w-full rounded-b-2xl z-10"
       style="touch-action: none"
     ></div>