fix: added remove chart button

frontend/src/components/Dashboard/DashboardGrid.vue

@@ -31,6 +31,15 @@
               :editing="editing"
             />
           </div>
+          <div
+            v-if="editing"
+            class="absolute right-0 top-0 bg-surface-red-4 border border-outline-red-2 rounded cursor-pointer opacity-0 group-hover:opacity-100"
+            @click="items.splice(index, 1)"
+          >
+            <div class="rounded p-1 hover:bg-surface-red-3">
+              <FeatherIcon name="trash-2" class="size-3 text-ink-red-4" />
+            </div>
+          </div>
         </div>
       </template>
     </GridLayout>