Part: Move Part_SectionCut command to Part menu item list

src/Gui/Workbench.cpp

@@ -651,7 +651,7 @@ MenuItem* StdWorkbench::setupMenuBar() const
     *view << "Std_ViewCreate" << "Std_OrthographicCamera" << "Std_PerspectiveCamera" << "Std_MainFullscreen" << "Separator"
           << stdviews << "Std_FreezeViews" << "Std_DrawStyle" << "Std_SelBoundingBox"
           << "Separator" << view3d << zoom
-          << "Std_ViewDockUndockFullscreen" << "Std_AxisCross" << "Std_ToggleClipPlane" << "Part_SectionCut"
+          << "Std_ViewDockUndockFullscreen" << "Std_AxisCross" << "Std_ToggleClipPlane"
           << "Std_TextureMapping"
 #ifdef BUILD_VR
           << "Std_ViewVR"

src/Mod/Part/Gui/Command.cpp

@@ -2484,7 +2484,7 @@ CmdPartSectionCut::CmdPartSectionCut()
     sToolTipText = QT_TR_NOOP("Creates a persistent section cut of visible part objects");
     sWhatsThis = "Part_SectionCut";
     sStatusTip = sToolTipText;
-    eType = Alter3DView;
+    eType = AlterDoc | Alter3DView;
 }
 
 Gui::Action* CmdPartSectionCut::createAction(void)

src/Mod/Part/Gui/Workbench.cpp

@@ -137,6 +137,7 @@ Gui::MenuItem* Workbench::setupMenuBar() const
           << "Part_Loft"
           << "Part_Sweep"
           << "Part_Section"
+          << "Part_SectionCut"
           << "Part_CrossSections"
           << "Part_Offset"
           << "Part_Offset2D"