Update entity filter bar documentation to reflect current UI

[PallaviWrite]

• Replace outdated screenshots with current Catalogs interface
• Remove deprecated AND/OR operator functionality
• Add simplified dropdown filtering approach
• Update examples to match current UI capabilities
• Refresh content to align with modern entity filter bar

[github-actions]

Hi @PallaviWrite 👋

Thanks for your pull request! Your PR is in a queue, and a writer will take a look soon. We generally publish small edits within one business day, and larger edits within three days.

Please ensure the propsed changes look good by building it first in your local environment. Refer to this contribution guide to get the site up and running in your local.

If you really require a preview url, reach out to one of the writers and they will generate one for you.

[PallaviWrite]

netlify build

[github-actions]

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