[SUPPORT] Fix/Big objects removal with static sessions

[carpawell]

If an external session is provided and is not opened by CLI itself, add children objects to it too. It fixes "not found" errors when removing a big object with a predefined session (from a file).

Signed-off-by: Pavel Karpy carpawell@nspcc.ru

Closes #1978.

[codecov]

Codecov Report

Merging #2036 (afc270e) into support/v0.34 (c38ad2d) will not change coverage.
The diff coverage is n/a.

@@              Coverage Diff               @@
##           support/v0.34    #2036   +/-   ##
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  Coverage          30.57%   30.57%           
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  Files                380      380           
  Lines              27790    27790           
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  Hits                8497     8497           
  Misses             18593    18593           
  Partials             700      700           

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[cthulhu-rider]

Documentation says that delete command doesn't support static sessions. I suppose object delete shouldn't accept session flag.

[carpawell]

Documentation says that delete command doesn't support static sessions.

@cthulhu-rider, is there any reason for that?

[cthulhu-rider]

is there any reason for that?

Yes: currently session secret key must be allocated on the node served on --rpc-endpoint. Attaching pre-created session token doesn't make any sense (now).

[carpawell]

Attaching pre-created session token doesn't make any sense (now).

@cthulhu-rider, the issue that PR closes appeared by validating (auto tests) the following case: neofs-cli session create + neofs-cli object put + neofs-cli object delete. Valid case, no?