refactor(puchase): changes how the error handling works so a better email can be sent

backend/utils/returnHelper.utils.ts

@@ -33,7 +33,8 @@ interface Data<T = unknown[]> {
 		| "delete"
 		| "printing"
 		| "gpSql"
-		| "email";
+		| "email"
+		| "gpChecks";
 	level: "info" | "error" | "debug" | "fatal";
 	message: string;
 	room?: string;