fixes #3486 - Make sure loading text is removed when chart data appears.
(cherry picked from commit 8cd09f95fc16138b1dc6adf7eb2bad10414b53a6)
fixes #3486 - Make sure loading text is removed when chart data appears.
(cherry picked from commit 8cd09f95fc16138b1dc6adf7eb2bad10414b53a6)