Bug 124599 Shortcut delete and menu delete act different in table column.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/editors/parts/GraphicalEditorWithFlyoutPalette.java
import org.eclipse.birt.report.designer.core.model.SessionHandleAdapter;
import org.eclipse.birt.report.designer.core.model.schematic.HandleAdapterFactory;
import org.eclipse.birt.report.designer.core.model.schematic.ListBandProxy;
import org.eclipse.birt.report.designer.core.model.schematic.RowHandleAdapter;
import org.eclipse.birt.report.designer.core.model.views.outline.ReportElementModel;
import org.eclipse.birt.report.designer.core.util.mediator.IColleague;
import org.eclipse.birt.report.designer.core.util.mediator.request.ReportRequest;
import org.eclipse.birt.report.designer.internal.ui.command.WrapperCommandStack;
import org.eclipse.birt.report.designer.internal.ui.editors.notification.DeferredRefreshManager;
import org.eclipse.birt.report.designer.internal.ui.editors.schematic.editparts.TableEditPart;
import org.eclipse.birt.report.designer.internal.ui.editors.schematic.tools.ReportCreationTool;
import org.eclipse.birt.report.designer.internal.ui.palette.ReportCombinedTemplateCreationEntry;
import org.eclipse.birt.report.designer.internal.ui.util.UIUtil;
import org.eclipse.birt.report.designer.internal.ui.views.data.DataViewPage;
import org.eclipse.birt.report.designer.internal.ui.views.data.DataViewTreeViewerPage;
import org.eclipse.birt.report.model.api.ImageHandle;
import org.eclipse.birt.report.model.api.ModuleHandle;
import org.eclipse.birt.report.model.api.RowHandle;
import org.eclipse.birt.report.model.api.SlotHandle;
import org.eclipse.draw2d.geometry.Point;
import org.eclipse.gef.DefaultEditDomain;
import org.eclipse.gef.EditDomain;
import org.eclipse.gef.EditPart;
import org.eclipse.gef.GraphicalViewer;
import org.eclipse.gef.Request;
import org.eclipse.gef.RequestConstants;
import org.eclipse.gef.commands.Command;
import org.eclipse.gef.commands.CommandStack;
import org.eclipse.gef.dnd.TemplateTransferDragSourceListener;
import org.eclipse.gef.editparts.ScalableFreeformRootEditPart;