select__tick: Increasing properties weight

Из-за https://github.com/bem/bem-components/pull/905 позиционирование галочки в селекте перебилось por вместо poa.
![2014-08-06_1136](https://cloud.githubusercontent.com/assets/1333220/3823666/7e162336-1d3c-11e4-81a2-517d548ecdde.png)

@gela-d why have you removed this deps? `select__button` depends on `button` regardless of `_theme`