LPS-50275 - Duplicate the behavior from Documents and Media when uploading Web Content files that are too large.
LPS-50275 Move the logic inside since fileMaxSize is not used anywhere else
LPS-50275 The message is already being created on the front end so no need to do it on the backend as well. Also match the other Edit*Actions
LPS-50275 General source formatting
LPS-50275 SF