making sure all contructor inputs are provided

Author: pawelbaran

BHoMUpgrader82/Converter.cs

@@ -99,9 +99,20 @@ private static Dictionary<string, object> UpgradeRevitParameter(Dictionary<strin
                 newVersion["Quantity"] = newVersion["UnitType"];
                 newVersion.Remove("UnitType");
             }
+            else
+                newVersion["Quantity"] = "";
 
             newVersion["Unit"] = "";
 
+            if (!newVersion.ContainsKey("Name"))
+                newVersion["Name"] = "";
+
+            if (!newVersion.ContainsKey("Value"))
+                newVersion["Value"] = null;
+
+            if (!newVersion.ContainsKey("IsReadOnly"))
+                newVersion["IsReadOnly"] = false;
+
             return newVersion;
         }