default values for onstant and boundaryCondition provided

model/src/main/java/lcsb/mapviewer/model/map/species/Species.java

@@ -122,9 +122,9 @@ public abstract class Species extends Element {
   @OneToMany(fetch = FetchType.EAGER, mappedBy = "species", orphanRemoval = true)
   private Set<UniprotRecord> uniprots = new HashSet<>();
 
-  private Boolean boundaryCondition;
+  private Boolean boundaryCondition = false;
 
-  private Boolean constant;
+  private Boolean constant = false;
 
   @Enumerated(EnumType.STRING)
   private SbmlUnitType substanceUnits;