Mc: introduce new function in mc_amqp to init mc from stream data (backport #13307) (backport #13339)

[mergify]

Initialising a message container from data stored in a
stream is a special case where we need to recover exchange
and routing key information from the following message annatations:

• x-exchange
• x-routing-key
• x-cc

We do not want to do this when initialising a message container
from AMQP data just received from a publisher.

This commit introduces a new function mc_amqp:init_from_stream/2
that is to be used when needing a message container from a stream
message.

---

This is an automatic backport of pull request #13307 done by Mergify.

---

This is an automatic backport of pull request #13339 done by Mergify.

[mergify]

Cherry-pick of 91e3180 has failed:

On branch mergify/bp/v4.0.x/pr-13339
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Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   deps/rabbit/src/mc_amqp.erl
	both modified:   deps/rabbit/src/rabbit_stream_queue.erl

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[michaelklishin]

After resolving the conflict seemingly correctly, most test suites pass but a few fail, such as

mc_unit_SUITE > tests > amqpl_cc_amqp_bin_amqpl
    #1. {error,{{assertEqual,[{module,mc_unit_SUITE},
                              {line,453},
                              {expression,"mc : routing_keys ( Msg10 )"},
                              {expected,[<<"apple">>,<<"q1">>,<<"q2">>]},
                              {value,[]}]},
                [{mc_unit_SUITE,amqpl_cc_amqp_bin_amqpl,1,
                                [{file,"mc_unit_SUITE.erl"},{line,453}]},
                 {test_server,ts_tc,3,[{file,"test_server.erl"},{line,1794}]},
                 {test_server,run_test_case_eval1,6,
                              [{file,"test_server.erl"},{line,1303}]},
                 {test_server,run_test_case_eval,9,
                              [{file,"test_server.erl"},{line,1235}]}]}}

mc_unit_SUITE > tests > amqpl_amqp_bin_amqpl
    #1. {error,{{assertEqual,[{module,mc_unit_SUITE},
                              {line,367},
                              {expression,"mc : exchange ( Msg10 )"},
                              {expected,<<"exch">>},
                              {value,undefined}]},
                [{mc_unit_SUITE,amqpl_amqp_bin_amqpl,1,
                                [{file,"mc_unit_SUITE.erl"},{line,367}]},
                 {test_server,ts_tc,3,[{file,"test_server.erl"},{line,1794}]},
                 {test_server,run_test_case_eval1,6,
                              [{file,"test_server.erl"},{line,1303}]},
                 {test_server,run_test_case_eval,9,
                              [{file,"test_server.erl"},{line,1235}]}]}}

@kjnilsson can you please take a look?

[ansd]

We don't need this backport.