fix(Selection): Fix selection w/ row templates

Row template swapping broke the selection CSS because it changed the
number of decendants of .ui-grid-row

src/features/selection/less/selection.less

@@ -1,6 +1,6 @@
 @import '../../../less/variables';
 
-.ui-grid-row-selected > div.ui-grid-cell {
+.ui-grid-row-selected > [ui-grid-row] > .ui-grid-cell {
   background-color: @rowSelected !important;
 }