Fix metric selection in multi row evolution (#11953)

* Do not hide select box for metric selection * update screenshots

Fix metric selection in multi row evolution (#11953)
c44657a8 · Stefan Giehl · Matthieu Aubry · 762b0062 · c44657a8 · c44657a8
--- a/plugins/CoreVisualizations/stylesheets/jqplot.css
+++ b/plugins/CoreVisualizations/stylesheets/jqplot.css
@@ -196,6 +196,7 @@ a.rowevolution-startmulti {
    color: #444;
    margin: 8px 0 0 0;
    padding: 0;
+    display: block;
 }
 /**

--- a/tests/UI/expected-screenshots/RowEvolution_multirow_evolution.png
+++ b/tests/UI/expected-screenshots/RowEvolution_multirow_evolution.png
--- a/tests/UI/expected-screenshots/RowEvolution_multirow_evolution_other_metric.png
+++ b/tests/UI/expected-screenshots/RowEvolution_multirow_evolution_other_metric.png