Add category to relate Computer with Computer Model.

bt5/erp5_computer_immobilisation/PortalTypeBaseCategoryTemplateItem/base_category_list.xml

 <base_category_list>
  <portal_type id="Computer">
+  <item>specialise</item>
   <item>subordination</item>
  </portal_type>
  <portal_type id="Computer Model Module">

bt5/erp5_computer_immobilisation/bt/revision

-43
+44
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bt5/erp5_computer_immobilisation/bt/template_portal_type_base_category_list

 Computer Model Module | business_application
 Computer Network Module | business_application
+Computer | specialise
 Computer | subordination
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