fix(tile-view): popovers should display over icons in other thumbnails

css/filmstrip/_tile_view_overrides.scss

     #largeVideoContainer {
         background-color: $defaultBackground !important;
     }
+
+    /**
+     * Thumbnail popover menus can overlap other thumbnails. Setting an auto
+     * z-index will allow AtlasKit InlineDialog's large z-index to be
+     * respected and thereby display over elements in other thumbnails,
+     * specifically the various status icons.
+     */
+    .remotevideomenu,
+    .videocontainer__toptoolbar {
+        z-index: auto;
+    }
 }