LPS-45425 Delete log because it is providing user wrong information because the thumbnail could had been found with other parameters.
LPS-45425 Warn users only when no thumbnails found at all
LPS-45425 Only warn users about not found thumbnails when the file version is supported.
LPS-44676 Fix for unit test
LPS-44676 Fix for plugins
LPS-44676 Regenerate
LPS-45867 search portlet included in a theme does not generate its URLs escaped