增加ptz解锁接口

‘liusuyi’

2023-06-30 a244194128df25b5d94cd1ee61e5e0a5e0c8ffd9

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var userAgent = require('../internals/engine-user-agent');
 
module.exports = /(?:ipad|iphone|ipod).*applewebkit/i.test(userAgent);