LPS-34033 SF
LPS-33811 Adding new helper methods to PortletDataContext - since the portlet and staged model data handlers both use these helpers, it made sense to put in here in a centralized place
LPS-33811 Remove element typed parameters from interface and base staged model data handler class
LPS-33811 Apply change to Bookmarks first as an example
LPS-33811 Apply similar pattern to the rest of the StagedModelDataHandlers
LPS-33811 Apply changes to the portlet data handlers according to the StagedModelDataHandler changes
LPS-33811 Apply changes to the base test case accordingly
LPS-33811 Cleaning up unnecessary methods in StagedModelDataHandler integration tests
LPS-33811 Apply base test logic changes to actual test classes
LPS-33811 Adding missing layout creation to MDRActionSMDH test class
LPS-33811 Layout is never used else where
LPS-33811 Remove unused variables
LPS-33811 Keep older order since the element uses the uuids so it should come first
LPS-33811 Try to avoid chaining
LPS-33811 Try to avoid chaining except for a very few patterns where we chain (like Util* getService().doSomething())
LPS-33811 SF