fix(i18n): localize queue browser tool

[yyqdbngt]

Summary

Localize the Queue Browser tool (QueueBrowser) that lets operators pick a topic and browse a specific queue offset's raw message. Previously its controls, empty states, table headers, offset-summary footer and message detail labels were hardcoded in Chinese.

• Move 13 strings into the new queueBrowser.* translation namespace (zh/en), including a parameterized queueSummary ({count} / {total}).
• Thread t through useQueueBrowser (error fallbacks) and both presentational exports (QueueBrowserControls, QueueBrowserResults).

Why

The Queue Browser is embedded in the already-localized Message page (queryMode === 'queue') and was the last Chinese-only surface in that workflow; this keeps the whole page consistent in English mode.

Testing

• tsc --noEmit passes (exit 0).
• eslint clean on changed files (0 errors; only the pre-existing hook/function fast-refresh warnings remain).
• QueueBrowser vitest suite passes (6/6) and the Message page suite still passes (9/9).

[RockteMQ-AI]

Summary

Clean i18n localization. LGTM.

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