Add group nodes to search and node library (#861)

* Register group nodes in nodeDefStore

* Add playwright tests

* Update test expectations [skip ci]

* Mock nodeDefStore in group node unit test

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Co-authored-by: github-actions <github-actions@github.com>

tests-ui/utils/setup.ts

@@ -1,6 +1,7 @@
 import type { ComfySettingsDialog } from '@/scripts/ui/settings'
 import type { ComfyApp } from '@/scripts/app'
 import '../../src/scripts/api'
+import { ComfyNodeDef } from '@/types/apiTypes'
 
 const fs = require('fs')
 const path = require('path')
@@ -124,3 +125,13 @@ export const mockSettingStore = () => {
     useSettingStore: jest.fn(() => mockedSettingStore)
   }))
 }
+
+export const mockNodeDefStore = () => {
+  const mockedNodeDefStore = {
+    addNodeDef: jest.fn((nodeDef: ComfyNodeDef) => {})
+  }
+
+  jest.mock('@/stores/nodeDefStore', () => ({
+    useNodeDefStore: jest.fn(() => mockedNodeDefStore)
+  }))
+}