disable instant queue mode on cloud (#6141)

## Summary

Remove the _Instant_ mode from the queue mode options if the
distribution target is cloud.

┆Issue is synchronized with this [Notion
page](https://www.notion.so/PR-6141-disable-instant-queue-mode-on-cloud-2916d73d36508197920fc8e462f0be9f)
by [Unito](https://www.unito.io)

src/components/actionbar/ComfyRunButton/ComfyQueueButton.vue

@@ -8,7 +8,7 @@
         showDelay: 600
       }"
       class="comfyui-queue-button"
-      :label="activeQueueModeMenuItem.label"
+      :label="String(activeQueueModeMenuItem?.label ?? '')"
       severity="primary"
       size="small"
       :model="queueModeMenuItems"
@@ -33,7 +33,7 @@
             value: item.tooltip,
             showDelay: 600
           }"
-          :label="String(item.label)"
+          :label="String(item.label ?? '')"
           :icon="item.icon"
           :severity="item.key === queueMode ? 'primary' : 'secondary'"
           size="small"
@@ -82,6 +82,7 @@
 import { storeToRefs } from 'pinia'
 import Button from 'primevue/button'
 import ButtonGroup from 'primevue/buttongroup'
+import type { MenuItem } from 'primevue/menuitem'
 import SplitButton from 'primevue/splitbutton'
 import { computed } from 'vue'
 import { useI18n } from 'vue-i18n'
@@ -102,36 +103,45 @@ const queueCountStore = storeToRefs(useQueuePendingTaskCountStore())
 const { mode: queueMode } = storeToRefs(useQueueSettingsStore())
 
 const { t } = useI18n()
-const queueModeMenuItemLookup = computed(() => ({
-  disabled: {
-    key: 'disabled',
-    label: t('menu.run'),
-    tooltip: t('menu.disabledTooltip'),
-    command: () => {
-      queueMode.value = 'disabled'
-    }
-  },
-  instant: {
-    key: 'instant',
-    label: `${t('menu.run')} (${t('menu.instant')})`,
-    tooltip: t('menu.instantTooltip'),
-    command: () => {
-      queueMode.value = 'instant'
-    }
-  },
-  change: {
-    key: 'change',
-    label: `${t('menu.run')} (${t('menu.onChange')})`,
-    tooltip: t('menu.onChangeTooltip'),
-    command: () => {
-      queueMode.value = 'change'
+const queueModeMenuItemLookup = computed(() => {
+  const items: Record<string, MenuItem> = {
+    disabled: {
+      key: 'disabled',
+      label: t('menu.run'),
+      tooltip: t('menu.disabledTooltip'),
+      command: () => {
+        queueMode.value = 'disabled'
+      }
+    },
+    change: {
+      key: 'change',
+      label: `${t('menu.run')} (${t('menu.onChange')})`,
+      tooltip: t('menu.onChangeTooltip'),
+      command: () => {
+        queueMode.value = 'change'
+      }
     }
   }
-}))
+  if (!isCloud) {
+    items.instant = {
+      key: 'instant',
+      label: `${t('menu.run')} (${t('menu.instant')})`,
+      tooltip: t('menu.instantTooltip'),
+      command: () => {
+        queueMode.value = 'instant'
+      }
+    }
+  }
+  return items
+})
 
-const activeQueueModeMenuItem = computed(
-  () => queueModeMenuItemLookup.value[queueMode.value]
-)
+const activeQueueModeMenuItem = computed(() => {
+  // Fallback to disabled mode if current mode is not available (e.g., instant mode in cloud)
+  return (
+    queueModeMenuItemLookup.value[queueMode.value] ||
+    queueModeMenuItemLookup.value.disabled
+  )
+})
 const queueModeMenuItems = computed(() =>
   Object.values(queueModeMenuItemLookup.value)
 )