Removed empty selector if no monitor available

src/pages/StatusPage.vue

@@ -175,12 +175,14 @@
             </div>
 
             <div class="mt-3">
+                <div v-if="allMonitorList.length > 0 && loadedData">
                     <label>{{ $t("Add a monitor") }}:</label>
                     <select v-model="selectedMonitor" class="form-control">
                         <option v-for="monitor in allMonitorList" :key="monitor.id" :value="monitor">{{ monitor.name }}</option>
                     </select>
                 </div>
             </div>
+        </div>
 
         <div class="mb-4">
             <div v-if="$root.publicGroupList.length === 0 && loadedData" class="text-center">