feat(core): add enable cloud failed notify (#6741)

packages/frontend/i18n/src/resources/en.json

@@ -1312,5 +1312,6 @@
   "com.affine.ai.login-required.dialog-content": "To use AFFiNE AI, please sign in to your AFFiNE Cloud account.",
   "com.affine.ai.login-required.dialog-confirm": "Sign in",
   "com.affine.ai.login-required.dialog-cancel": "Cancel",
-  "com.affine.ai.action.edgeless-only.dialog-title": "Please switch to edgeless mode"
+  "com.affine.ai.action.edgeless-only.dialog-title": "Please switch to edgeless mode",
+  "com.affine.workspace.enable-cloud.failed": "Failed to enable Cloud, please try again."
 }