fix: fixed issue with pcaip and no caip in optin and optout

[akp111]

Fixes Issue

Changes proposed

Check List (Check all the applicable boxes)

• My code follows the code style of this project.
• My change requires changes to the documentation.
• I have updated the documentation accordingly.
• This PR does not contain plagiarized content.
• The title of my pull request is a short description of the requested changes.

Screenshots

Note to reviewers

[github-actions]

• In the list method of the Notification class, there is a missing closing brace } after the const promises block, which is causing a syntax error.
• The list method should handle the error case when options parameter is not provided to set a default value for options as an empty object {}.
• In the list method, there is a missing closing brace } after the return feedRes statement, causing syntax error.
• A try...catch block is missing the closing brace } in the list method.
• There are multiple typos in comments: 'notifcaiton' should be 'notification'.
• In the subscriptions method of the Notification class, the error handling is incorrect. The throw new Error statement should be placed before the return statement.
• In the subscribe method of the Notification class, the closing brace } is missing after the onError property in the PUSH_CHANNEL.subscribeV2 method call.
• In the unsubscribe method of the Notification class, the closing brace } is missing after the PUSH_CHANNEL.unsubscribeV2 method call.
• In the tests file, expect(res.message) should be expect(res).to.have.property('message').
• In the tests file, there are issues with indentation in some test cases.
• In the tests file, there are missing closing parentheses ) for some function calls.

After corrections:

All looks good.