OZG-4949 Revert createHttpErrorResponse

alfa-client/libs/tech-shared/test/error.ts

@@ -65,12 +65,10 @@ export function createValidationProblemDetails(): ValidationProblemDetails {
   };
 }
 
-export function createHttpErrorResponse(
-  error: ApiError | ValidationProblemDetails = null,
-): HttpErrorResponse {
+export function createHttpErrorResponse(apiError: ApiError = null): HttpErrorResponse {
   return <HttpErrorResponse>{
     error: {
-      error: error ?? createApiError(),
+      error: apiError ?? createApiError(),
     },
   };
 }