refactor: Consolidate redundant code in workflow execution-functions (no-changelog) (#4884)

* refactor: Consolidate redundant code in workflow interfaces (no-changelog)

* consolidate all execution-functions interfaces code

* move rawBody definition back

* address PR comments

packages/nodes-base/nodes/Aws/AwsSnsTrigger.node.ts

@@ -154,7 +154,6 @@ export class AwsSnsTrigger implements INodeType {
 		},
 	};
 
-	//@ts-expect-error because of webhook
 	webhookMethods = {
 		default: {
 			async checkExists(this: IHookFunctions): Promise<boolean> {