[Refactor] Convert dialogService to composable (#2058)

src/extensions/core/nodeTemplates.ts

@@ -6,7 +6,7 @@ import { GroupNodeConfig, GroupNodeHandler } from './groupNode'
 import { LGraphCanvas } from '@comfyorg/litegraph'
 import { useToastStore } from '@/stores/toastStore'
 import { deserialiseAndCreate } from '@/extensions/core/vintageClipboard'
-import { showPromptDialog } from '@/services/dialogService'
+import { useDialogService } from '@/services/dialogService'
 import { t } from '@/i18n'
 
 // Adds the ability to save and add multiple nodes as a template
@@ -351,7 +351,7 @@ app.registerExtension({
         content: `Save Selected as Template`,
         disabled: !Object.keys(app.canvas.selected_nodes || {}).length,
         callback: async () => {
-          const name = await showPromptDialog({
+          const name = await useDialogService().showPromptDialog({
             title: t('nodeTemplates.saveAsTemplate'),
             message: t('nodeTemplates.enterName'),
             defaultValue: ''