[7.5] [ML] DF Analytics fix: show MSE and rSquared in expanded row only for regression jobs (#48390)#48424

alvarezmelissa87 merged 1 commit intoelastic:7.5elastic/kibana:7.5from

alvarezmelissa87:backport/7.5/pr-48390alvarezmelissa87/kibana:backport/7.5/pr-48390Copy head branch name to clipboard