Stop using legacy fields.

bt5/erp5_km/SkinTemplateItem/portal_skins/erp5_km_theme/Base_viewKMFieldLibrary/listbox_thumbnail.xml

@@ -83,7 +83,7 @@
                 </item>
                 <item>
                     <key> <string>field_id</string> </key>
-                    <value> <string>my_thumbnail</string> </value>
+                    <value> <string>my_image_field</string> </value>
                 </item>
                 <item>
                     <key> <string>form_id</string> </key>

bt5/erp5_km/bt/revision

-1831
\ No newline at end of file
+1832
\ No newline at end of file