LPS-39991 Remove unnecesary and wrong xml element attribute
LPS-39991 Apply remove
LPS-39991 Convert JCPDH to handle its data throught its preferences with implementing the doProcessExport/ImportPortletPreferences instead of the doExport/importData methods
LPS-39991 Apply the same pattern to the other display portlets
LPS-39991 Add new method to differentiate the display portlets
LPS-39991 Update all portlet preferences for display portlets because their data is always imported if present
LPS-39991 Remove old unnecessary data handler booleans from display portlets
LPS-39991 Do not display content section for display portlets on the portlet export-import-publish UI's
LPS-39991 Do not import display portlets data when layout prototype merge happens and the environment explicitly disable data import
LPS-39991 Removing unnecessary exception handling - changing to fetch (checking null anyway)
LPS-39991 Minor SF
LPS-39991 Unnecessary null checks - we always have at least the DefaultConfigurationPDH if not else
LPS-39991 Sort
LPS-39991 Your code is right, since we're not in the journal package, but I'm choosing rather to stay consistent with the code that is already in this class (or update that code as well)