Remove UUID and change the way versions work

SzCore/DataObjects/SzDataset.cs

@@ -4,10 +4,8 @@ public class SzDataset
 {
 	public required string Name {get; set;}
 	public required string Id {get; set;}
-	public Guid? Uuid {get; set;}
 
 	public required string DataObjectType {get; set;}
 	public required string DataObjectTemplateId {get; set;}
-	public Guid? DataObjectTemplateUuid {get; set;}
 	public Dictionary<string, SzDataObject> DataObjects {get; set;} = [];
 }