Allow linkage of organization to a Delivery model, directly from the tab "Customers"

git-svn-id: http://svn.code.sf.net/p/itop/code/trunk@3434 a333f486-631f-4898-b8df-5754b55c2be0

datamodels/2.x/itop-service-mgmt-provider/datamodel.itop-service-mgmt-provider.xml

@@ -2164,7 +2164,7 @@
         <field id="customers_list" xsi:type="AttributeLinkedSet">
           <linked_class>Organization</linked_class>
           <ext_key_to_me>deliverymodel_id</ext_key_to_me>
-          <edit_mode>none</edit_mode>
+          <edit_mode>add_remove</edit_mode>
           <count_min>0</count_min>
           <count_max>0</count_max>
           <duplicates/>

datamodels/2.x/itop-service-mgmt/datamodel.itop-service-mgmt.xml

@@ -2159,7 +2159,7 @@
         <field id="customers_list" xsi:type="AttributeLinkedSet">
           <linked_class>Organization</linked_class>
           <ext_key_to_me>deliverymodel_id</ext_key_to_me>
-          <edit_mode>none</edit_mode>
+          <edit_mode>add_remove</edit_mode>
           <count_min>0</count_min>
           <count_max>0</count_max>
         </field>