Merge branch '496469_fix_template_error' into 'master'

Projects::GraphsController#charts: fix URL generation

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/167616



Merged-by: Manoj M J <mmj@gitlab.com>
Approved-by: Olaoluwa Oluro <olaoluro@gitlab.com>
Approved-by: Manoj M J <mmj@gitlab.com>
Co-authored-by: Vasilii Iakliushin <viakliushin@gitlab.com>