snippet URL wrong when JS snippet enable

Hello,

I configure snippet JS URL into admin and when debug found that fronted JS 

`<script type="text/javascript" async="" src="https://cdn-loyalty.yotpo.com/loader/aqLGuf1qJ4UWhPnXmNcjfQ.js">`

But it should be

`<script type="text/javascript" async src="https://cdn-widgetsrepository.yotpo.com/v1/loader/' . $swellGuid . '"></script>`


let us know if i m wrong
