hide "unload models" and "unload cache" menu entries on cloud (#6879)

Hides these features which the user does not need when on cloud.

┆Issue is synchronized with this [Notion
page](https://www.notion.so/PR-6879-hide-unload-models-and-unload-cache-menu-entries-on-cloud-2b46d73d3650816a8e22e913a848e4ac)
by [Unito](https://www.unito.io)

Author: christian-byrne

src/constants/coreMenuCommands.ts

@@ -1,3 +1,5 @@
+import { isCloud } from '@/platform/distribution/types'
+
 export const CORE_MENU_COMMANDS = [
   [[], ['Comfy.NewBlankWorkflow']],
   [[], []], // Separator after New
@@ -18,8 +20,12 @@ export const CORE_MENU_COMMANDS = [
     ['Edit'],
     [
       'Comfy.RefreshNodeDefinitions',
-      'Comfy.Memory.UnloadModels',
-      'Comfy.Memory.UnloadModelsAndExecutionCache'
+      ...(isCloud
+        ? []
+        : [
+            'Comfy.Memory.UnloadModels',
+            'Comfy.Memory.UnloadModelsAndExecutionCache'
+          ])
     ]
   ],
   [['View'], []],