* 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
* Update to clang-format-15 Removed two custom .clang-format files in subfolders of AppFwk * Fixes by clang-format
* Set column width to 140 * Use c++20 * Remove redundant virtual