Giovanni Di Siena authored 4 years ago and Gigg, Martyn Anthony committed 4 years ago

In places other substitutions have been made, e.g
Clang does not yet specialize std::shared_ptr for T[]. Vector
has been used instead. The operator[] methods were incorrectly
marked const but returning a non-const reference - this has been fixed.
Refs #25842

Also updated class_maker.py

This commit replaces all header guards in qt/scientific_interfaces with #pragma once.