Change RBAC field names from builtin to is_builtin

gns3server/db/models/roles.py

@@ -40,7 +40,7 @@ class Role(BaseTable):
     role_id = Column(GUID, primary_key=True, default=generate_uuid)
     name = Column(String)
     description = Column(String)
-    builtin = Column(Boolean, default=False)
+    is_builtin = Column(Boolean, default=False)
     permissions = relationship("Permission", secondary=permission_role_link, back_populates="roles")
     groups = relationship("UserGroup", secondary=role_group_link, back_populates="roles")
 
@@ -49,8 +49,8 @@ class Role(BaseTable):
 def create_default_roles(target, connection, **kw):
 
     default_roles = [
-        {"name": "Administrator", "description": "Administrator role", "builtin": True},
-        {"name": "User", "description": "User role", "builtin": True},
+        {"name": "Administrator", "description": "Administrator role", "is_builtin": True},
+        {"name": "User", "description": "User role", "is_builtin": True},
     ]
 
     stmt = target.insert().values(default_roles)