Part: Add Sketcher_NewSketch to Part toolbar (#14318)

* Update Workbench.cpp

* Part: Update InitGui.py

src/Mod/Part/Gui/Workbench.cpp

@@ -122,6 +122,7 @@ Gui::MenuItem* Workbench::setupMenuBar() const
           << "Separator"
           << bop << join << split << compound
           << "Separator"
+          << "Sketcher_NewSketch"
           << "Part_Extrude"
           << "Part_Revolve"
           << "Part_Mirror"
@@ -170,7 +171,8 @@ Gui::ToolBarItem* Workbench::setupToolBars() const
 
     Gui::ToolBarItem* tool = new Gui::ToolBarItem(root);
     tool->setCommand("Part tools");
-    *tool << "Part_Extrude"
+    *tool << "Sketcher_NewSketch"
+          << "Part_Extrude"
           << "Part_Revolve"
           << "Part_Mirror"
           << "Part_Scale"

src/Mod/Part/InitGui.py

@@ -38,6 +38,21 @@ class PartWorkbench(Gui.Workbench):
         self.__class__.MenuText = "Part"
         self.__class__.ToolTip = "Part workbench"
 
+    def tryAddManipulator(self):
+        try:
+            import SketcherGui
+
+            class Manipulator:
+                def modifyToolBars(self):
+                    return [{"insert" : "Sketcher_NewSketch", "toolItem" : "Part_Extrude"}]
+                def modifyMenuBar(self):
+                    return [{"insert" : "Sketcher_NewSketch", "menuItem" : "Part_Extrude"}]
+
+            manip = Manipulator()
+            Gui.addWorkbenchManipulator(manip)
+        except ImportError as err:
+            pass
+
     def Initialize(self):
         # load the module
         import PartGui
@@ -64,6 +79,8 @@ class PartWorkbench(Gui.Workbench):
             App.Console.PrintError("'BOPTools' package cannot be loaded. "
                                    "{err}\n".format(err=str(err)))
 
+        self.tryAddManipulator()
+
     def GetClassName(self):
         return "PartGui::Workbench"