⚡ Bolt: Optimize version comparison and list sorting comparators

[TheDragonSoft]

⚡ Bolt: Zero-allocation version comparison and collator reuse

💡 What

1. compareVersions in src/lib/format.ts: Replaced .split('.').map(...) with a single-pass index pointer scanning character codes (charCodeAt).
2. InstalledPage sorting in src/pages/InstalledPage.tsx: Replaced per-comparison .localeCompare(..., { sensitivity: "base" }) with a module-level Intl.Collator instance (modNameCollator.compare(...)).

🎯 Why

During list sorting (e.g. installed mods, version list sorting, dependency resolution), compareVersions and string comparisons are called repeatedly ($O(N \log N)$ times). The existing compareVersions allocated multiple arrays (split) and ran .map functions per comparison. Passing options to localeCompare creates internal Intl.Collator instances or options resolution overhead on every invocation.

📊 Impact

• Zero-allocation compareVersions: Eliminates array allocations and string parsing allocations during version sorting and filtering.
• Reused Intl.Collator: Prevents repeated option parsing and internal collator setup during mod sorting.
• Improved Responsiveness: Reduces garbage collection pressure and main thread execution time during list updates.

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PR created automatically by Jules for task 12692912629852441691 started by @TheDragonSoft

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