docs(console): add global status and text filter documentation

[zyzzmohit]

📌 Fixes

Fixes #800

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📝 Summary of Changes

• Added documentation for the new 'Global Status Filter' and 'Custom Text Filter' features in the Console UI.
• Updated the UI Overview to include a new 'Global Filtering' section.
• Explained the persistence behavior of these filters.

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Changes Made

• Updated docs/content/ui-docs/ui-overview.md (assuming this is the file, based on description) to include Global Filtering.
• Added detailed descriptions for Status and Text filters.

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Checklist

Please ensure the following before submitting your PR:

• I have reviewed the project's contribution guidelines.
• I have written unit tests for the changes (if applicable).
• I have updated the documentation (if applicable).
• I have tested the changes locally and ensured they work as expected.
• My code follows the project's coding standards.

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Screenshots or Logs (if applicable)

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👀 Reviewer Notes

Please review the wording for the filter persistence behavior to ensuring it matches the implementation.

[kubestellar-prow]

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[kubestellar-prow]

Hi @zyzzmohit. Thanks for your PR.

I'm waiting for a kubestellar member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

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[clubanderson]

/ok-to-test

[oksaumya]

@zyzzmohit improve the format of pr