[WIP] Add core selection feature to disable specific cores

[Copilot]

• Add physical_count field to get_cpu_core_info in py_modules/cpu.py
• Add set_cpu_online_by_core_type(config) method in py_modules/cpu.py
• Expose set_cpu_online_by_core_type API in main.py
• Update CPUCoreTypeInfo TypeScript type with physical_count
• Add CPU_CORE_ONLINE to ComponentName enum
• Add settings fields and methods for per-type core control in settings.ts
• Add setCpuOnlineByCoreType callable and update handleCPUNum in backend.ts
• Add i18n strings for the new feature in english.json (and other languages)
• Add CPUCoreOnlineComponent to src/components/cpu.tsx
• Build and verify the changes compile correctly

Original prompt

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This section details on the original issue you should resolve

<issue_title>[Feature request] Core selection to disable</issue_title>
<issue_description>On AMD apu with hybrid architecture (zen5) some users want to disable concrete cores (1 zen5 and 3 zen5c for example, or even left only 4 efficient cores for some light indie titles).
For now disabling is possible only from last to first afaik, efficient first</issue_description>

Comments on the Issue (you are @copilot in this section)

• Fixes [Feature request] Core selection to disable #100

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