fix(core): Don't use unbound context methods in code sandboxes (#11914)

packages/nodes-base/nodes/Code/Code.node.ts

@@ -133,7 +133,7 @@ export class Code implements INodeType {
 			sandbox.on(
 				'output',
 				workflowMode === 'manual'
-					? this.sendMessageToUI
+					? this.sendMessageToUI.bind(this)
 					: CODE_ENABLE_STDOUT === 'true'
 						? (...args) =>
 								console.log(`[Workflow "${this.getWorkflow().id}"][Node "${node.name}"]`, ...args)

packages/nodes-base/nodes/Code/Sandbox.ts

@@ -35,8 +35,8 @@ export function getSandboxContext(
 	};
 	return {
 		// from NodeExecuteFunctions
-		$getNodeParameter: this.getNodeParameter,
-		$getWorkflowStaticData: this.getWorkflowStaticData,
+		$getNodeParameter: this.getNodeParameter.bind(this),
+		$getWorkflowStaticData: this.getWorkflowStaticData.bind(this),
 		helpers,
 
 		// to bring in all $-prefixed vars and methods from WorkflowDataProxy