accounting: add a parameter to allow always showing project

bt5/erp5_accounting/SkinTemplateItem/portal_skins/erp5_accounting/AccountingTransaction_getListBoxColumnList.py

@@ -89,7 +89,7 @@ if len(payment_request_set) > 1:
 min_project_count = 1
 if context.getSourceProject() or context.getDestinationProject():
   min_project_count = 2
-if len(project_set) > min_project_count:
+if force_project or len(project_set) > min_project_count:
   if source:
     a(('getSourceProjectTitle', 'Project'))
   else:

bt5/erp5_accounting/SkinTemplateItem/portal_skins/erp5_accounting/AccountingTransaction_getListBoxColumnList.xml

@@ -50,7 +50,7 @@
         </item>
         <item>
             <key> <string>_params</string> </key>
-            <value> <string>source=0</string> </value>
+            <value> <string>source=0, force_project=False</string> </value>
         </item>
         <item>
             <key> <string>id</string> </key>