Add is_root_slave property on Hosting Subscription object.

master/bt5/vifib_open_trade/PortalTypePropertySheetTemplateItem/property_sheet_list.xml

 <property_sheet_list>
  <portal_type id="Hosting Subscription">
+  <item>HostingSubscription</item>
   <item>SoftwareInstance</item>
   <item>TextDocument</item>
  </portal_type>

master/bt5/vifib_open_trade/PropertySheetTemplateItem/portal_property_sheets/HostingSubscription.xml

+<?xml version="1.0"?>
+<ZopeData>
+  <record id="1" aka="AAAAAAAAAAE=">
+    <pickle>
+      <global name="Property Sheet" module="erp5.portal_type"/>
+    </pickle>
+    <pickle>
+      <dictionary>
+        <item>
+            <key> <string>_count</string> </key>
+            <value>
+              <persistent> <string encoding="base64">AAAAAAAAAAI=</string> </persistent>
+            </value>
+        </item>
+        <item>
+            <key> <string>_mt_index</string> </key>
+            <value>
+              <persistent> <string encoding="base64">AAAAAAAAAAM=</string> </persistent>
+            </value>
+        </item>
+        <item>
+            <key> <string>_tree</string> </key>
+            <value>
+              <persistent> <string encoding="base64">AAAAAAAAAAQ=</string> </persistent>
+            </value>
+        </item>
+        <item>
+            <key> <string>description</string> </key>
+            <value>
+              <none/>
+            </value>
+        </item>
+        <item>
+            <key> <string>id</string> </key>
+            <value> <string>HostingSubscription</string> </value>
+        </item>
+        <item>
+            <key> <string>portal_type</string> </key>
+            <value> <string>Property Sheet</string> </value>
+        </item>
+      </dictionary>
+    </pickle>
+  </record>
+  <record id="2" aka="AAAAAAAAAAI=">
+    <pickle>
+      <global name="Length" module="BTrees.Length"/>
+    </pickle>
+    <pickle> <int>0</int> </pickle>
+  </record>
+  <record id="3" aka="AAAAAAAAAAM=">
+    <pickle>
+      <global name="OOBTree" module="BTrees.OOBTree"/>
+    </pickle>
+    <pickle>
+      <none/>
+    </pickle>
+  </record>
+  <record id="4" aka="AAAAAAAAAAQ=">
+    <pickle>
+      <global name="OOBTree" module="BTrees.OOBTree"/>
+    </pickle>
+    <pickle>
+      <none/>
+    </pickle>
+  </record>
+</ZopeData>

master/bt5/vifib_open_trade/PropertySheetTemplateItem/portal_property_sheets/HostingSubscription/is_root_slave_property.xml

+<?xml version="1.0"?>
+<ZopeData>
+  <record id="1" aka="AAAAAAAAAAE=">
+    <pickle>
+      <global name="Standard Property" module="erp5.portal_type"/>
+    </pickle>
+    <pickle>
+      <dictionary>
+        <item>
+            <key> <string>categories</string> </key>
+            <value>
+              <tuple>
+                <string>elementary_type/boolean</string>
+              </tuple>
+            </value>
+        </item>
+        <item>
+            <key> <string>description</string> </key>
+            <value>
+              <none/>
+            </value>
+        </item>
+        <item>
+            <key> <string>id</string> </key>
+            <value> <string>is_root_slave_property</string> </value>
+        </item>
+        <item>
+            <key> <string>portal_type</string> </key>
+            <value> <string>Standard Property</string> </value>
+        </item>
+        <item>
+            <key> <string>property_default</string> </key>
+            <value> <string>False</string> </value>
+        </item>
+      </dictionary>
+    </pickle>
+  </record>
+</ZopeData>

master/bt5/vifib_open_trade/bt/revision

-107
+108
\ No newline at end of file

master/bt5/vifib_open_trade/bt/template_portal_type_base_category_list

 Hosting Subscription Module | business_application
+Hosting Subscription | predecessor
\ No newline at end of file

master/bt5/vifib_open_trade/bt/template_portal_type_property_sheet_list

+Hosting Subscription | HostingSubscription
+Hosting Subscription | SoftwareInstance
+Hosting Subscription | TextDocument
\ No newline at end of file

master/bt5/vifib_open_trade/bt/template_property_sheet_id_list

+HostingSubscription
\ No newline at end of file