[backport core/1.33] fix: don't use registry when only checking for presence of missing nodes (#6974)

## Summary
Backport of #6965 onto core/1.33 (clean cherry-pick of 83f04490b).

## Testing
- pnpm typecheck

┆Issue is synchronized with this [Notion
page](https://www.notion.so/PR-6974-backport-core-1-33-fix-don-t-use-registry-when-only-checking-for-presence-of-missing-n-2b86d73d3650813dac37e224f857f296)
by [Unito](https://www.unito.io)

src/components/actionbar/ComfyRunButton/ComfyQueueButton.vue

@@ -44,17 +44,22 @@ import { useI18n } from 'vue-i18n'
 
 import { isCloud } from '@/platform/distribution/types'
 import { useTelemetry } from '@/platform/telemetry'
+import { app } from '@/scripts/app'
 import { useCommandStore } from '@/stores/commandStore'
+import { useNodeDefStore } from '@/stores/nodeDefStore'
 import { useQueueSettingsStore } from '@/stores/queueStore'
 import { useWorkspaceStore } from '@/stores/workspaceStore'
-import { useMissingNodes } from '@/workbench/extensions/manager/composables/nodePack/useMissingNodes'
+import { graphHasMissingNodes } from '@/workbench/extensions/manager/utils/graphHasMissingNodes'
 
 import BatchCountEdit from '../BatchCountEdit.vue'
 
 const workspaceStore = useWorkspaceStore()
 const { mode: queueMode, batchCount } = storeToRefs(useQueueSettingsStore())
 
-const { hasMissingNodes } = useMissingNodes()
+const nodeDefStore = useNodeDefStore()
+const hasMissingNodes = computed(() =>
+  graphHasMissingNodes(app.graph, nodeDefStore.nodeDefsByName)
+)
 
 const { t } = useI18n()
 const queueModeMenuItemLookup = computed(() => {

src/components/breadcrumb/SubgraphBreadcrumbItem.vue

@@ -64,11 +64,13 @@ import {
   ComfyWorkflow,
   useWorkflowStore
 } from '@/platform/workflow/management/stores/workflowStore'
+import { app } from '@/scripts/app'
 import { useDialogService } from '@/services/dialogService'
 import { useCommandStore } from '@/stores/commandStore'
+import { useNodeDefStore } from '@/stores/nodeDefStore'
 import { useSubgraphNavigationStore } from '@/stores/subgraphNavigationStore'
 import { appendJsonExt } from '@/utils/formatUtil'
-import { useMissingNodes } from '@/workbench/extensions/manager/composables/nodePack/useMissingNodes'
+import { graphHasMissingNodes } from '@/workbench/extensions/manager/utils/graphHasMissingNodes'
 
 interface Props {
   item: MenuItem
@@ -79,7 +81,10 @@ const props = withDefaults(defineProps<Props>(), {
   isActive: false
 })
 
-const { hasMissingNodes } = useMissingNodes()
+const nodeDefStore = useNodeDefStore()
+const hasMissingNodes = computed(() =>
+  graphHasMissingNodes(app.graph, nodeDefStore.nodeDefsByName)
+)
 
 const { t } = useI18n()
 const menu = ref<InstanceType<typeof Menu> & MenuState>()

src/workbench/extensions/manager/utils/graphHasMissingNodes.ts

@@ -0,0 +1,37 @@
+import { unref } from 'vue'
+import type { MaybeRef } from 'vue'
+
+import type {
+  LGraph,
+  LGraphNode,
+  Subgraph
+} from '@/lib/litegraph/src/litegraph'
+import type { ComfyNodeDefImpl } from '@/stores/nodeDefStore'
+import { collectAllNodes } from '@/utils/graphTraversalUtil'
+
+export type NodeDefLookup = Record<string, ComfyNodeDefImpl | undefined>
+
+const isNodeMissingDefinition = (
+  node: LGraphNode,
+  nodeDefsByName: NodeDefLookup
+) => {
+  const nodeName = node?.type
+  if (!nodeName) return false
+  return !nodeDefsByName[nodeName]
+}
+
+export const collectMissingNodes = (
+  graph: LGraph | Subgraph | null | undefined,
+  nodeDefsByName: MaybeRef<NodeDefLookup>
+): LGraphNode[] => {
+  if (!graph) return []
+  const lookup = unref(nodeDefsByName)
+  return collectAllNodes(graph, (node) => isNodeMissingDefinition(node, lookup))
+}
+
+export const graphHasMissingNodes = (
+  graph: LGraph | Subgraph | null | undefined,
+  nodeDefsByName: MaybeRef<NodeDefLookup>
+) => {
+  return collectMissingNodes(graph, nodeDefsByName).length > 0
+}