PD-2440 / 24.10 / PD-2440 - TrueNAS UI search redirect (by Mrt134)

[bugclerk]

Catch incoming search URLs from TrueNAS and redirect them to the home page and new keyword search modal.
Update one impacted example image and remove some placeholder commented text.

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Original PR: #4295
Jira URL: https://ixsystems.atlassian.net/browse/PD-2440

[github-actions]

Vale Style Guide Issues

📊 Summary: 2 issues found in changed files - 0 errors, 0 warnings, 2 suggestions

Changed files with issues:

static/includes/UsingGlobalSearch.md (2 issues)

• Line 40 - suggestion: Keep sentences under 30 words

🔧 To fix: Review the issues above and update your documentation accordingly.

[bugclerk]

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