MULE-6829: cxf_operation is wrong when using proxy-client of a soap 1.1 request
Added protocol headers map during inbound cxf processing
(cherry picked from commit 75511963653c1ad71e09fe55e491c1dac46796a8)
(cherry picked from commit 763d5ac996f1dd750a69e9e9b8dc7815c329a25e)
(cherry picked from commit b5a64de357090ea1652647da4facf2a013a1a986)
(cherry picked from commit ff765cdb44e8193dc963fdcb5446e03924b42f52)