fix(editor): Nodes' icon color in dark mode (#12279)

packages/@n8n/nodes-langchain/nodes/vector_store/shared/createVectorStoreNode.ts

@@ -17,6 +17,7 @@ import type {
 	INodeListSearchResult,
 	Icon,
 	INodePropertyOptions,
+	ThemeIconColor,
 } from 'n8n-workflow';
 
 import { getMetadataFiltersValues, logAiEvent } from '@utils/helpers';
@@ -37,6 +38,7 @@ interface NodeMeta {
 	description: string;
 	docsUrl: string;
 	icon: Icon;
+	iconColor?: ThemeIconColor;
 	credentials?: INodeCredentialDescription[];
 	operationModes?: NodeOperationMode[];
 }
@@ -125,6 +127,7 @@ export const createVectorStoreNode = (args: VectorStoreNodeConstructorArgs) =>
 			name: args.meta.name,
 			description: args.meta.description,
 			icon: args.meta.icon,
+			iconColor: args.meta.iconColor,
 			group: ['transform'],
 			version: 1,
 			defaults: {