erp5_document_scanner: Simplify code

bt5/erp5_document_scanner/SkinTemplateItem/portal_skins/erp5_document_scanner/Base_uploadDocumentFromCamera.py

@@ -17,8 +17,6 @@ doc = context.Base_contribute(file=file_object,
                               follow_up_list=[context.getRelativeUrl(),],
                               **kw)
 
-publication_state = kw.get("field_your_publication_state")
-
 if publication_state == "shared":
   action_list = ["share",]
 elif publication_state == "released":

bt5/erp5_document_scanner/SkinTemplateItem/portal_skins/erp5_document_scanner/Base_uploadDocumentFromCamera.xml

@@ -50,7 +50,7 @@
         </item>
         <item>
             <key> <string>_params</string> </key>
-            <value> <string>active_process_url=None, **kw</string> </value>
+            <value> <string>publication_state, active_process_url=None, **kw</string> </value>
         </item>
         <item>
             <key> <string>id</string> </key>