fix(LangChain Code Node): Fix icon in dark mode (no-changelog) (#9863)

Co-authored-by: Giulio Andreini <g.andreini@gmail.com>

packages/nodes-base/nodes/EmailReadImap/v2/EmailReadImapV2.node.ts

@@ -67,6 +67,7 @@ const versionDescription: INodeTypeDescription = {
 	displayName: 'Email Trigger (IMAP)',
 	name: 'emailReadImap',
 	icon: 'fa:inbox',
+	iconColor: 'green',
 	group: ['trigger'],
 	version: 2,
 	description: 'Triggers the workflow when a new email is received',