erp5_payroll: Pay Sheet Lines are simple Invoice Line

bt5/erp5_payroll/PortalTypeTemplateItem/portal_types/Pay%20Sheet%20Line.xml

@@ -64,11 +64,15 @@
         </item>
         <item>
             <key> <string>init_script</string> </key>
-            <value> <string></string> </value>
+            <value>
+              <none/>
+            </value>
         </item>
         <item>
             <key> <string>permission</string> </key>
-            <value> <string></string> </value>
+            <value>
+              <none/>
+            </value>
         </item>
         <item>
             <key> <string>redirect_script</string> </key>
@@ -80,7 +84,19 @@
         </item>
         <item>
             <key> <string>type_class</string> </key>
-            <value> <string>PaySheetLine</string> </value>
+            <value> <string>InvoiceLine</string> </value>
+        </item>
+        <item>
+            <key> <string>type_interface</string> </key>
+            <value>
+              <tuple/>
+            </value>
+        </item>
+        <item>
+            <key> <string>type_mixin</string> </key>
+            <value>
+              <tuple/>
+            </value>
         </item>
       </dictionary>
     </pickle>