FILE_UPLOAD_HANDLERS change handler order

[mattiagiupponi]

Is your feature request related to a problem? Please describe.
The MemoryFileUploadHandler is meant to work for small files, should have less priority than the TemporaryFileUploadHandler.
In the end the SizeRestrictedFileUploadHandler will just check the file sizes

Describe the solution you'd like
Move the MemoryFileUploadHandler as last option in the settings