Creating loaded world with LoadLevelInstance fails when PIE is executed.

Loaded level defined in TSoftObjectPtr <World> fails to load with LoadLevelInstance. This is due to "UEPID" prefix. Because it is rewritten by FSoftObjectPath :: FixupForPIE (), retrieval of Object may fail.

1. Open the attached project and PIE
2. Go up the stairs to the travel label to trigger a travel to LoadInsancePIEMap
3. Walk forward to trigger the BP_Trigger which attempts to load an instance of ThirdPersonExampleMap

At this time, attempting to create "ThirdPersonExample" with LoadLevelInstance fails.(See attached screenshot)

The following log is output.

LogStreaming: Error: Couldn't find file for package /Game/ThirdPersonBP/Maps/UEDPIE_0_ThirdPersonExampleMap.

The world of TriggerBox is defined by TSoftObjectPtr<World>, but it fails because there is a "UEPID" prefix at the time of loading. It will succeed if using Blueprint's LoadLevelInstance node.