Fix column height calculation in ESR (#4034)

* Fix column height calculation in ESR

* Add link to github issue.

Author: muffinresearch

src/amo/components/Search/styles.scss

@@ -48,6 +48,9 @@
       grid-row: 2 / 5;
       // Allows the grid item to contain the content preventing overflow.
       min-width: 0;
+      // Hack to force column height calculations in ESR 52.
+      // See: https://github.com/mozilla/addons/issues/566
+      width: 100%;
 
       .SearchResult {
         padding: 24px 36px;