Update on loading network models: comodification on lists resolved

src/main/java/ui/GTURTLEModeling.java

src/main/java/ui/MainGUI.java

src/main/java/ui/TDiagramPanel.java

src/main/java/ui/avatarbd/AvatarBDBlock.java

...ava/ui/networkmodelloader/JDialogLoadingNetworkModel.java