[SA-663] Fixed JSCS errors
[SA-663] Fixed JSCS errors

xnejp03/assets-frontend,hmrc/assets-frontend,hmrc/assets-frontend,alexanderjamesking/assets-frontend,alexanderjamesking/assets-frontend,xnejp03/assets-frontend,hmrc/assets-frontend,tmikus/assets-frontend,alexanderjamesking/assets-frontend,xnejp03/assets-frontend,tmikus/assets-frontend,tmikus/assets-frontend