Otherwise children documents can not be processed because the parent document
raises a RequiredValidationError when saved
Closes#14015
(grafted from e09cd53b9c701ef8da73163e9834d1f3db5a8e37)
--HG--
branch : 7.0
When creating document incoming from email's attachments, the filename value
must be sanitized as there is no control on the data.
Closes#13801
(grafted from 118ace742c074540582f0ff784ccd9edc8926f98)
--HG--
branch : 7.0
When creating document incoming from email, the name value must be sanitized as
there is no control on the data.
Closes#13608
(grafted from f13b4a85401f00893e0a0c7eb1c769cb94622dd2)
--HG--
branch : 7.0