Sketcher: Ensure that ViewProvider Geometry extensions is correctly i…

…nitialised

src/Mod/Sketcher/Gui/ViewProviderSketch.cpp

@@ -6101,9 +6101,14 @@ bool ViewProviderSketch::setEdit(int ModNum)
             getSketchObject()->validateExternalLinks();
     }
 
+    // First drawing with non-temporal geometry, then updating solver information
+    // This ensures that any ViewProvider geometry extension is set before the geometry
+    // is loaded into the solver, which ensures that any prospective draw using temporal
+    // geometry (draw with first parameter true) has the right ViewProvider geometry extensions
+    // set - This fixes Weight constraint dragging on a just opened sketch.
+    draw(false,true);
     getSketchObject()->solve(false);
     UpdateSolverInformation();
-    draw(false,true);
 
     connectUndoDocument = getDocument()
         ->signalUndoDocument.connect(boost::bind(&ViewProviderSketch::slotUndoDocument, this, bp::_1));