PEtab Import: Disable backup of model and data

arSave did not work properly with PEtab models. Some fields for model and data backup are missing if model is not created with the standard  d2d procedure.
Fix: deactivate backup.

arFramework3/ImportExport/arImportPEtab.m

@@ -90,15 +90,17 @@ function arImportPEtab(name, doPreEq)
 [~,~,eventStruct] = arParseSBML([sbmlmodel.folder filesep sbmlmodel.name]);
 arLoadModel(strrep(sbmlmodel.name,'.xml',''))
 
+% 
+ar.config.backup_modelAndData = false;
+
 PEobs = [strrep(name{2},'.tsv',''),'.tsv'];
 PEmeas = [strrep(name{3},'.tsv',''),'.tsv'];
 PEconds = [strrep(name{4},'.tsv',''),'.tsv'];
 PEparas = [strrep(name{5},'.tsv',''),'.tsv'];
 
 T = cell(2, length(ar.model));
 for m = 1:length(ar.model)
-    [T{m,1}, T{m,2}] = ...
-        arLoadDataPEtab(PEmeas,PEobs,m);
+    [T{m,1}, T{m,2}] = arLoadDataPEtab(PEmeas,PEobs,m);
 end
 Tcond = arLoadCondPEtab(PEconds, T);