feat: check client status active when verifying membership on tenderm…

[duvbell]

Description

closes: #5847

Commit Message / Changelog Entry

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[damiannolan]

Hi @kienn6034, I am going to ahead and close this PR as I had started work on this issue previously, and pushed the code this morning (see: #5870). Sorry about that!

In future, we would kindly ask that you comment on an issue before working on it so that we can assign you and prevent situations like this from happening. This is documented in the ibc-go CONTRIBUTING.md doc. Thanks for your work none the less, it is appreciated! There will be plenty of more issues to work on in the future if you are interested in contributing to the repository! ❤️

[duvbell]

Thank you @damiannolan. Will do next time, it is my first time contributing to ibc-go.