[BUG] Multiple Topics should be supported in validateTopic() in new catalog design

[imaffe]

Describe the bug

Currently the new catalog design should already support multiple topics and topic patterns.

To Reproduce Steps to reproduce the behavior:

1. Go to '...'
2. Click on '....'
3. Scroll down to '....'
4. See error

Expected behavior A clear and concise description of what you expected to happen.

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Additional context Add any other context about the problem here.