feat(fabric): serialization of ccp and sshconfig

[jagpreetsinghsasan]

Commit to be reviewed

feat(fabric): serialization of ccp and sshconfig

Primary Changes
---------------
1. sshConfig and connectionProfile can now be passed as base64 encoded strings

Changes required to incorporate 1)
---------------------------------
2. Added sshConfigBase64Encoded and connectionProfileBase64encoded properties to IPluginLedgerConnectorFabricOptions
3. Added necessary FabricConnector class variables
4. Added a new testcase to demonstrate the same
5. Updated an implementation which fetches sshConfig from class variable

Fixes #3577

Pull Request Requirements

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A Must Read for Beginners
For rebasing and squashing, here's a must read guide for beginners.

[outSH]

I've left two open questions, please have a look :)

[petermetz]

LGTM with comments

[petermetz]

LGTM, thank you for the updates!

[petermetz]

@jagpreetsinghsasan We are almost there! Please fix the tests that started failing. I saw this in the logs:

AIL packages/cactus-plugin-ledger-connector-fabric/src/test/typescript/integration/fabric-v2-2-x/run-transaction-endpoint-v1.test.ts (177.176 s, 1102 MB heap size)
  ● runs tx on a Fabric v2.5.6 ledger › runs tx on a Fabric v2.5.6 ledger

    Cannot instantiate Fabric connector without connection profile.

      292 |       this.connectionProfile = JSON.parse(connectionProfileString);
      293 |     } else {
    > 294 |       throw new Error(
          |             ^
      295 |         "Cannot instantiate Fabric connector without connection profile.",
      296 |       );
      297 |     }

      at new PluginLedgerConnectorFabric (packages/cactus-plugin-ledger-connector-fabric/src/main/typescript/plugin-ledger-connector-fabric.ts:294:13)
      at Object.<anonymous> (packages/cactus-plugin-ledger-connector-fabric/src/test/typescript/integration/fabric-v2-2-x/run-transaction-endpoint-v1.test.ts:158:20)

[petermetz]

@jagpreetsinghsasan Thank you for the updates, looking good now. Please fix the linter errors and then we are good to go from my side.

[petermetz]

@jagpreetsinghsasan Please fix the linter errors

[petermetz]

@jagpreetsinghsasan LGTM, thank you!