[Part] extend BRepOffsetAPI_MakeOffsetFix and use it for padding

BRepOffsetAPI_MakeOffsetFix provides already a workaround for an OCC bug. To use it for Pad/pocket, only the Init feature has to be added
we take the same implementation like it if for BRepOffsetAPI_MakeOffset

src/Mod/Part/App/BRepOffsetAPI_MakeOffsetFix.h

@@ -55,6 +55,19 @@ public:
     //! Builds the resulting shape (redefined from MakeShape).
     void Build();
 
+    //! Initializes the algorithm to construct parallels to the spine Spine.
+    //! Join defines the type of parallel generated by the
+    //! salient vertices of the spine.
+    //! The default type is GeomAbs_Arc where the vertices generate
+    //! sections of a circle.
+    //! If join type is GeomAbs_Intersection, the edges that
+    //! intersect in a salient vertex generate the edges
+    //! prolonged until intersection.
+    void Init(const TopoDS_Face& Spine, const GeomAbs_JoinType Join = GeomAbs_Arc, const Standard_Boolean IsOpenResult = Standard_False);
+
+    //! Initialize the evaluation of Offseting.
+    void Init(const GeomAbs_JoinType Join = GeomAbs_Arc, const Standard_Boolean IsOpenResult = Standard_False);
+
     virtual Standard_Boolean IsDone() const;
 
     //! Returns a shape built by the shape construction algorithm.