高版本mac系统运行flutter doctor出现以下问题解决办法：
“idevice_id” cannot be opened because the developer cannot be verified.
无法打开“idevice_id”，因为无法验证开发者
解决方案：
// 执行以下命令行
sudo xattr -r -d com.apple.quarantine /opt/flutter/bin/cache/artifacts/libimobiledevice/idevice_id
sudo xattr -r -d com.apple.quarantine /opt/flutter/bin/cache/artifacts/libimobiledevice/idevicename
sudo xattr -r -d com.apple.quarantine /opt/flutter/bin/cache/artifacts/libimobiledevice/idevicescreenshot
sudo xattr -r -d com.apple.quarantine /opt/flutter/bin/cache/artifacts/libimobiledevice/idevicesyslog
sudo xattr -r -d com.apple.quarantine /opt/flutter/bin/cache/artifacts/libimobiledevice/ideviceinfo
“gen_snapshot” cannot be opened because the developer cannot be verified.