fixed the multi-line issue for criterion prompt, criterion option text,

Fixed the multi-line issue for criterion prompt, criterion option text, peer assessment feedback and self assessment feedback. tnl-814
FYI: The <div> element with 'value' class was already there in 'answer__value' <div>. Now, I've removed that <div> and added class 'answer__value__raw'  to the <p> tag.