refactor(core): Reorganize error hierarchy in cli package (no-changelog) (#7839)

Ensure all errors in `cli` inherit from `ApplicationError` to continue
normalizing all the errors we report to Sentry

Follow-up to: https://github.com/n8n-io/n8n/pull/7820

packages/cli/src/errors/response-errors/internal-server.error.ts

@@ -0,0 +1,7 @@
+import { ResponseError } from './abstract/response.error';
+
+export class InternalServerError extends ResponseError {
+	constructor(message: string, errorCode = 500) {
+		super(message, 500, errorCode);
+	}
+}