Fix option filenameMaxLength to the File constraint (Image)

Author: mindaugasvcs

Constraints/Image.php

@@ -43,6 +43,7 @@ class Image extends File
         self::EMPTY_ERROR => 'EMPTY_ERROR',
         self::TOO_LARGE_ERROR => 'TOO_LARGE_ERROR',
         self::INVALID_MIME_TYPE_ERROR => 'INVALID_MIME_TYPE_ERROR',
+        self::FILENAME_TOO_LONG => 'FILENAME_TOO_LONG',
         self::SIZE_NOT_DETECTED_ERROR => 'SIZE_NOT_DETECTED_ERROR',
         self::TOO_WIDE_ERROR => 'TOO_WIDE_ERROR',
         self::TOO_NARROW_ERROR => 'TOO_NARROW_ERROR',