Convert 11 file/directory path fields from QString to caf::FilePath across
ProjectDataModel classes for type safety and consistent path handling.
Fields converted: RimCalcScript::absoluteFileName,
RimScriptCollection::directory, RimBinaryExportSettings::fileName,
RimExportInputSettings::fileName, RimFractureExportSettings::fileName,
RimReservoirCellResultsStorage::m_resultCacheFileName,
RimProcess::m_workDir, RimWellIASettings::m_baseDir,
RimPlotTemplateFileItem::m_absoluteFileName,
RimWellMeasurement::m_filePath, RimFileWellPath::m_filePath.
* 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