MULE-6794: CXF WS-Security - SecurityContext is not set after successful authentication
_ MuleSecurityManagerCallbackHandler now saves the authentication info in the session context
(cherry picked from commit 51275dc4367ce8a1e18bc9131dc97e89e5caf4cf)
(cherry picked from commit 50676ee2def47dbb6ee149bbc6937a78c83cf323)
(cherry picked from commit e610f9e92fd66c50f40113c14d8d8ef938dfe2b7)
(cherry picked from commit 7a1dce8a89d8c49ca3a1db4e7a74304217d9b964)