<QtGlobal> - Global Qt Declarations

Up to Qt 6.5, most Qt header files included <QtGlobal>. Before Qt 6.5, <QtGlobal> defined an assortment of global declarations. Most of these have moved, at Qt 6.5, to separate headers, so that source code can include only what it needs, rather than the whole assortment. For now, <QtGlobal> includes those o