[backport] fix issue #3094 - angular code xss in comments
[backport] fix issue #3094 - angular code xss in comments

Rademade/taiga-front,taigaio/taiga-front,Rademade/taiga-front,bdang2012/taiga-front-casting,taigaio/taiga-front,Rademade/taiga-front,taigaio/taiga-front,bdang2012/taiga-front-casting,bdang2012/taiga-front-casting,Rademade/taiga-front