CP-34942: compatibility with Core 0.13
CP-34942: compatibility with Core 0.13

When using core polymorphic comparison is not available anymore, so
operator from a particular module are used.

Signed-off-by: Pau Ruiz Safont <9c4aad32b049b39a74875643d7fe76c19fd4f9a1@citrix.com>

xapi-project/message-switch,xapi-project/message-switch,xapi-project/message-switch