style(SimplidiedPlan): fix padding (#1441)

Author: Raubzeug

src/containers/Tenant/Query/ExplainResult/components/SimplifiedPlan/SimplifiedPlan.scss

@@ -5,7 +5,7 @@
     overflow: auto;
 
     height: 100%;
-    padding: 0 0 15px;
+    padding: 0 15px 15px;
     &__table {
         width: 100%;
         max-width: 100%;