Updated upload field to use StdClass in displayPublishPanel.
Updated upload field to use StdClass in displayPublishPanel.

psychoticmeow/journey-cms,psychoticmeow/journey-cms,embarknow/journey-cms,psychoticmeow/journey-cms,embarknow/journey-cms,symphonycms/symphony-3,embarknow/journey-cms,psychoticmeow/journey-cms,embarknow/journey-cms,psychoticmeow/journey-cms,symphonycms/symphony-3,embarknow/journey-cms