Techdraw: Undo/redo when dragging views and rework projection group drag (#22875)

* TechDraw: create a transaction when finished dragging a view

* TechDraw: drag projection group when dragging a subview in AutoDistribute is enabled

* TechDraw: avoid creating 'Drag View' transaction if the document is already in a transaction

* TechDraw: Apply suggestions from code review

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Co-authored-by: Benjamin Nauck <benjamin@nauck.se>

src/Mod/TechDraw/Gui/ViewProviderProjGroupItem.cpp

@@ -33,6 +33,7 @@
 #include <Mod/TechDraw/App/DrawProjGroup.h>
 #include <Mod/TechDraw/App/DrawProjGroupItem.h>
 
+#include "QGIView.h"
 #include "ViewProviderProjGroupItem.h"
 
 using namespace TechDrawGui;