Fixed fileset alphanumeric sorting
fixes https://gitlab.ruhr-uni-bochum.de/FDM/rdm-system/antleaf-projectmanagement/-/issues/282. Specifically fixes issue #41 (closed)
Edited by Anusha Ranganathan
fixes https://gitlab.ruhr-uni-bochum.de/FDM/rdm-system/antleaf-projectmanagement/-/issues/282. Specifically fixes issue #41 (closed)