BetaBetaGet a LimeFile by id.
Only searches files attached to limeobjects that are already loaded
in state — it does not fetch from the server. If no loaded object
owns a file with this id, undefined is returned, which is
indistinguishable from the file not existing.
the id of the file to get
the file if a loaded limeobject owns it, otherwise undefined
A repository for accessing LimeFile instances that belong to limeobjects currently loaded in state.