chore: amend event emitted for create channel to include client identifier

[DimitrisJim]

Description

simply also emits the client identifier in the event currently emitted.

part-of: #7386

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[sonarcloud[bot]]

Quality Gate passed for 'ibc-go'

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud