Fix condition comparison and fail for duplicate conditions (#1291)

Co-authored-by: KochTobi <[email protected]>
Co-authored-by: Sven F. <[email protected]>

Author: KochTobi

project-management/src/main/java/life/qbic/projectmanagement/domain/model/experiment/Condition.java

@@ -6,6 +6,7 @@
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Collections;
+import java.util.HashSet;
 import java.util.List;
 import java.util.Objects;
 import java.util.Optional;
@@ -104,8 +105,8 @@ public boolean equals(Object o) {
     }
 
     Condition condition = (Condition) o;
-
-    return this.variableLevels.equals(condition.variableLevels);
+    //we do not care about the order when comparing
+    return new HashSet<>(variableLevels).equals(new HashSet<>(condition.variableLevels));
   }
 
   @Override