ECMS-5654 Status of a published js/ css file is Published after editing
Fix description:
- if a css/js file is created inside a parent node with type exo:cssFolder/exo:jsFolder, status of the file will be always 'published' after publishing
- Otherwise, file status will be changed to 'draft' after editting
ECMS-5542 return a non empty response for request uploading file
Merge remote-tracking branch 'origin/feature/stabilization'
Merge branch 'master' into feature/ckeditor-upgrade