erp5_json_type: use validateLocalJsonSchema to validate local schema

bt5/erp5_json_type/DocumentTemplateItem/portal_components/document.erp5.JSONType.py

@@ -42,7 +42,7 @@ class JSONType(XMLObject):
                     , PropertySheet.TextDocument
                     )
 
-  def validateJsonSchema(self, list_error=False):
+  def validateLocalJsonSchema(self, list_error=False):
     """
     Validate contained JSON with the Schema defined in the Portal Type.
     """
@@ -61,3 +61,6 @@ class JSONType(XMLObject):
         return sorted(validator.iter_errors(current_schema), key=lambda e: e.path)
       return err
     return True
+
+  def validateJsonSchema(self, list_error=False):
+    return self.validateLocalJsonSchema(list_error=list_error)
\ No newline at end of file

bt5/erp5_json_type/PropertySheetTemplateItem/portal_property_sheets/JSONTypeConstraint/json_schema_validation_constraint_constraint.xml

@@ -26,7 +26,7 @@
         </item>
         <item>
             <key> <string>expression</string> </key>
-            <value> <string>python: object.validateJsonSchema()</string> </value>
+            <value> <string>python: object.validateLocalJSONSchema()</string> </value>
         </item>
         <item>
             <key> <string>id</string> </key>