fix(common): fallback to empty string (parse uuid pipe)

Author: kamilmysliwiec

packages/common/pipes/parse-uuid.pipe.ts

@@ -16,14 +16,16 @@ export class ParseUUIDPipe implements PipeTransform<string> {
   constructor(@Optional() options?: ParseUUIDPipeOptions) {
     options = options || {};
 
-    this.version = options.version || '4';
+    this.version = options.version;
     this.exceptionFactory =
       options.exceptionFactory || (error => new BadRequestException(error));
   }
   async transform(value: string, metadata: ArgumentMetadata): Promise<string> {
     if (!isUUID(value, this.version)) {
       throw this.exceptionFactory(
-        `Validation failed (uuid v${this.version} is expected)`,
+        `Validation failed (uuid ${
+          this.version ? 'v' + this.version : ''
+        } is expected)`,
       );
     }
     return value;