PartDesign: rework axis and plane comboboxes and make it work without part.

Rework combobox filling and link hadling for revolution and transformed features, in order to get rid of hard-coded item indexes and make the lists more dynamic.

src/Mod/PartDesign/Gui/TaskLinearPatternParameters.h

@@ -85,6 +85,8 @@ private:
 private:
     Ui_TaskLinearPatternParameters* ui;
     QTimer* updateViewTimer;
+
+    ComboLinks dirLinks;
 };