slapos_pdm: force default use/base_contribution on Software Product

Didn't find another way to do it (init script requires data migration)

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

@@ -58,3 +58,34 @@ class SoftwareProduct(ERP5SoftwareProduct):
 
   variation_base_category_list = ('software_release', 'software_type', )
 
+  default_category_list = (
+    'base_contribution/base_amount/invoicing/discounted',
+    'base_contribution/base_amount/invoicing/taxable',
+    'use/trade/sale'
+  )
+
+  def __getattribute__(self, name):
+    result = super(SoftwareProduct, self).__getattribute__(name)
+
+    if name == 'categories':
+      # Force getting default_category_list
+      # if not category from this base_category is set
+      base_category_dict = {}
+      for category in SoftwareProduct.default_category_list:
+        base_category = category.split('/', 1)[0]
+        if base_category in base_category_dict:
+          base_category_dict[base_category].append(category)
+        else:
+          base_category_dict[base_category] = [category]
+
+      for category in result:
+        base_category_dict.pop(category.split('/', 1)[0], None)
+
+      if base_category_dict:
+        new_result = [x for x in result]
+        for v in base_category_dict.values():
+          new_result.extend(v)
+        return new_result
+
+    return result
+