slapos_pdm: sort SoftwareProduct getVariationBaseCategoryList's result

master/bt5/slapos_pdm/DocumentTemplateItem/portal_components/document.erp5_slapos.SoftwareProduct.py

@@ -101,3 +101,9 @@ class SoftwareProduct(ERP5SoftwareProduct):
 
     return result
 
+  def getVariationBaseCategoryList(self, *args, **kw):
+    # Sort the base category list, to prevent optional variation to be at the end
+    # which prevent so easily sort the variation_list when filling matrixbox
+    result_list = super(SoftwareProduct, self).getVariationBaseCategoryList(*args, **kw)
+    result_list.sort()
+    return result_list
\ No newline at end of file