erp5_accounting: Allow users with Associate role, stop the accounting transaction

bt5/erp5_accounting/WorkflowTemplateItem/portal_workflow/accounting_workflow/transitions/stop.xml

@@ -10,6 +10,10 @@
             <key> <string>actbox_category</string> </key>
             <value> <string>workflow</string> </value>
         </item>
+        <item>
+            <key> <string>actbox_icon</string> </key>
+            <value> <string></string> </value>
+        </item>
         <item>
             <key> <string>actbox_name</string> </key>
             <value> <string></string> </value>
@@ -67,6 +71,7 @@
               <tuple>
                 <string>Assignor</string>
                 <string>Assignee</string>
+                <string>Associate</string>
               </tuple>
             </value>
         </item>