Add IBC demon metadata transfer integration test.

[dzmitryhil]

Description

Add IBC demon metadata transfer integration test.

Reviewers checklist:

• Try to write more meaningful comments with clear actions to be taken.
• Nit-picking should be unblocking. Focus on core issues.

Authors checklist

• Provide a concise and meaningful description
• Review the code yourself first, before making the PR.
• Annotate your PR in places that require explanation.
• Think and try to split the PR to smaller PR if it is big.

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This change is 

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 63.25%. Comparing base (d0fc42e) to head (d15cd05).
Report is 30 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1019   +/-   ##
=======================================
  Coverage   63.25%   63.25%           
=======================================
  Files         158      158           
  Lines       18327    18327           
=======================================
  Hits        11592    11592           
  Misses       5702     5702           
  Partials     1033     1033           

Flag	Coverage Δ
coreum	57.80% <ø> (ø)
coreum-integration-tests-modules	53.06% <ø> (ø)

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[miladz68]

Reviewed 1 of 1 files at r1, all commit messages.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @masihyeganeh and @ysv)

[masihyeganeh]

Reviewed 1 of 1 files at r1, all commit messages.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @ysv)