enable declaring custom topics for ffi interface publish and ff publish api create

[ka1ii]

Proposed changes

allow clients to declare custom topics for ffi interface publish and ff publish api create

Fixes #1725

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Types of changes

• [ x] Bug fix
• [ x] New feature added
• [ x] Documentation Update

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• I have read the contributing guidelines.
• [x ] I have performed a self-review of my own code or work.
• I have commented my code, particularly in hard-to-understand areas.
• My changes generates no new warnings.
• [ x] I have added tests that prove my fix is effective or that my feature works.
• [ x] My changes have sufficient code coverage (unit, integration, e2e tests).

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Other Information

Any message for the reviewer or kick off the discussion by explaining why you considered this particular solution, any alternatives etc.

[EnriqueL8]

Thanks @ka1ii - would love to understand if all the comments from @awrichar have been addressed kaleido-io#140

Along with that suggest:

• Updating the docs
• Handling empty topics passed in better

[EnriqueL8]

Wouldn't call it query param, as it's past in at POST

[ka1ii]

will need to update the go.mod once the pr in firefly-common gets merged https://github.com/hyperledger-firefly/common/pull/233/changes

[awrichar]

This change looks good to me (accepting the "topics" in the DTO body, but not persisting to the database).

[codecov-commenter]

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✅ All modified and coverable lines are covered by tests.
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Files with missing lines	Coverage Δ
...ernal/apiserver/route_post_contract_api_publish.go	100.00% <100.00%> (ø)
...apiserver/route_post_contract_interface_publish.go	100.00% <100.00%> (ø)
internal/apiserver/route_post_new_contract_api.go	100.00% <100.00%> (ø)
...nal/apiserver/route_post_new_contract_interface.go	100.00% <100.00%> (ø)
internal/apiserver/route_put_contract_api.go	100.00% <100.00%> (ø)
internal/coremsgs/en_error_messages.go	0.00% <ø> (ø)
internal/coremsgs/en_struct_descriptions.go	0.00% <ø> (ø)
internal/definitions/sender.go	100.00% <100.00%> (ø)
internal/definitions/sender_contracts.go	100.00% <100.00%> (ø)
internal/definitions/sender_datatype.go	100.00% <100.00%> (ø)
... and 3 more

... and 209 files with indirect coverage changes

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[EnriqueL8]

I've enabled the Codecov App so can ignore the above message

[dan-r]

Tested and working in rc2. View from second member in multiparty network: