Switch to PartDesign workbench as soon as a PartDesign feature is edited

src/Mod/PartDesign/Gui/ViewProviderLinearPattern.cpp

@@ -46,6 +46,9 @@ bool ViewProviderLinearPattern::setEdit(int ModNum)
         TaskDlgLinearPatternParameters *linearpatternDlg = NULL;
 
         if (checkDlgOpen(linearpatternDlg)) {
+            // always change to PartDesign WB, remember where we come from
+            oldWb = Gui::Command::assureWorkbench("PartDesignWorkbench");
+
             // start the edit dialog
             if (linearpatternDlg)
                 Gui::Control().showDialog(linearpatternDlg);