protocols/horizon: Reinstate errorResultXdr with deprecation warning #4335

Job	Run time
Integration tests (ubuntu-20.04, 1.21, 12, 21)	53m 16s
Test (and push) verify-range image	2m 14s
Integration tests (ubuntu-20.04, 1.21, 12, 22)	53m 44s
Integration tests (ubuntu-20.04, 1.21, 16, 21)	54m 11s
Integration tests (ubuntu-20.04, 1.21, 16, 22)	54m 19s
Integration tests (ubuntu-20.04, 1.22, 12, 21)	52m 52s
Integration tests (ubuntu-20.04, 1.22, 12, 22)	54m 0s
Integration tests (ubuntu-20.04, 1.22, 16, 21)	53m 12s
Integration tests (ubuntu-20.04, 1.22, 16, 22)	54m 29s
Integration tests (ubuntu-22.04, 1.21, 12, 21)	46m 41s
Integration tests (ubuntu-22.04, 1.21, 12, 22)	51m 35s
Integration tests (ubuntu-22.04, 1.21, 16, 21)	53m 46s
Integration tests (ubuntu-22.04, 1.21, 16, 22)	53m 6s
Integration tests (ubuntu-22.04, 1.22, 12, 21)	44m 30s
Integration tests (ubuntu-22.04, 1.22, 12, 22)	50m 13s
Integration tests (ubuntu-22.04, 1.22, 16, 21)	52m 55s
Integration tests (ubuntu-22.04, 1.22, 16, 22)	52m 58s
	13h 58m 1s

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