Update charts.html.haml

Merged Andreas Schmidt requested to merge (removed):darneas-296853 into master

What does this MR do?

Fixes #296853 (closed).

Screenshots (strongly suggested)

Left: master, Right: after this MR

CodeCoverageStatistics

Does this MR meet the acceptance criteria?

Conformity

Availability and Testing

No risk is posed.

Edited by Rémy Coutable