fix alignment of icons

Author: jeffibm

app/stylesheet/miq-data-table.scss

@@ -88,7 +88,7 @@
         display: flex;
         align-items: center;
         justify-content: flex-start;
-        margin-top: 3px;
+        margin-top: 0;
 
         &.styled_icon {
           min-width: 20px;