Fix the following issues:

a) paste
- conductor does not move
- pressing escape does not abort
- pressing anything during the process crashes the program instead of aborting
b) similar issue with the escape not working fixed for graphics items, texxt fields (and probably others)

sources/diagramview.cpp

@@ -733,6 +733,10 @@ void DiagramView::keyPressEvent(QKeyEvent *e)
 				//way off the canvas for someone working without a mouse.
 				//Escape steps back out: first it drops the selection, then it
 				//hands focus to the next widget.
+			if (m_diagram && m_diagram->hasEventInterface()) {
+				QGraphicsView::keyPressEvent(e);  // let the active tool see it
+				return;
+			}
 			if (m_diagram && !m_diagram->selectedItems().isEmpty()) {
 				m_diagram->clearSelection();
 			} else {