[NTP] Fix check applied to wrong element

When the daily refresh toggle was deselected it was applying the
selected state to the wrong element.

Bug: 996147
Change-Id: I76bbb4590701636a56439940f1d69afe359661ec
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1763339Reviewed-by: Gayane Petrosyan <gayane@chromium.org>
Commit-Queue: Kyle Milka <kmilka@chromium.org>
Cr-Commit-Position: refs/heads/master@{#689189}

chrome/browser/resources/local_ntp/customize.js

@@ -1045,7 +1045,7 @@ customize.richerPicker_toggleRefreshDaily = function(toggledOn) {
   $(customize.IDS.REFRESH_TOGGLE).checked = toggledOn;
   if (!toggledOn) {
     customize.richerPicker_selectBackgroundTile(
-        $(customize.IDS.BACKGROUNDS_DEFAULT));
+        $(customize.IDS.BACKGROUNDS_DEFAULT_ICON));
     return;
   }