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

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

@@ -113,8 +113,8 @@ return item;`,
 						}
 						item.binary = data;
 					},
-					getNodeParameter: this.getNodeParameter,
-					getWorkflowStaticData: this.getWorkflowStaticData,
+					getNodeParameter: this.getNodeParameter.bind(this),
+					getWorkflowStaticData: this.getWorkflowStaticData.bind(this),
 					helpers: this.helpers,
 					item: item.json,
 					getBinaryDataAsync: async (): Promise<IBinaryKeyData | undefined> => {
@@ -165,7 +165,7 @@ return item;`,
 				const vm = new NodeVM(options as unknown as NodeVMOptions);
 
 				if (mode === 'manual') {
-					vm.on('console.log', this.sendMessageToUI);
+					vm.on('console.log', this.sendMessageToUI.bind(this));
 				}
 
 				// Get the code to execute