FIX: add authentication to swagger

src/authentication/authentication.guard.ts

@@ -54,14 +54,11 @@ export class AuthenticationGuard
     >(AUTH_FUNCTION_KEY, [ctx.getClass(), ctx.getHandler()]);
     const mustBeAuthenticated = authFunctions.length > 0;
 
+    if (!mustBeAuthenticated) return true;
+
     const request = ctx.switchToHttp().getRequest();
     const accessToken = this.validateToken(request, mustBeAuthenticated);
 
-    if (!mustBeAuthenticated) {
-      // no need to be authenticated
-      return true;
-    }
-
     if (!accessToken) {
       // couldn't load valid token
       throw new ErrorBuilder(ErrorCodes.AUTH.UNAUTHORIZED);