Props don't work with component remount

Example of bug in https://github.com/tuchk4/css-in-js-app/pull/7#issuecomment-304533371

![image](https://camo.githubusercontent.com/8f9589996ff03b0e3cb3d742d4481b9fb65e7dbd/68747470733a2f2f6d656469612e67697068792e636f6d2f6d656469612f32366752327554396f5658763477567a322f67697068792e676966)
