* Refactor interface to PdmObjectHandle and PdmFieldHandle
Return objects instead of passing in structures as parameters
* Add nodiscard to several functions
* Remove redundant this->
* Rename to ptrReferencedObjectsByType
Move AppEnum init to RifDataSourceForRftPlt
Simplify constructors for RifDataSourceForRftPlt
Rename enum names in RifDataSourceForRftPlt::SourceType
Add missing pressureDepthData in RimDataSourceForRftPlt