GModPatchTool:修复Garry's Mod启动问题与CEF功能增强，支持多平台与媒体编解码

🇬🩹🛠 Patches for Garry's Mod. Updates/Improves CEF and Fixes common launch/performance issues (esp. on Linux/Proton/macOS). Formerly GModCEFCodecFix.