FileSystemEditor: Prevent icon loader from running until DataFormat is finished loading

FARC DataFormat - fix saving
* Saving might actually work, see above note

"Live folders" - project folders are automatically populated with their physical folder contents when project is loaded
	Select folder, set "Live folder" = "True" in Properties panel
	
Project file BuildActions:
	"Compile"
		- Combine multiple selected files into one
		OutputObjectModel = FileSystemObjectModel
		User specifies OutputFileName and OutputDataFormat