search-result: Use a larger icon size

Increase the icon size of search results for consistency with the
application view. To account for the larger icons, only display
a single row of results per section.

https://bugzilla.gnome.org/show_bug.cgi?id=643632

data/theme/gnome-shell.css

@@ -534,7 +534,11 @@ StTooltip StLabel {
 
 .icon-grid {
     spacing: 36px;
-    -shell-grid-item-size: 70px;
+    -shell-grid-item-size: 118px;
+}
+
+.icon-grid .overview-icon {
+    icon-size: 96px;
 }
 
 .all-app {
@@ -542,15 +546,6 @@ StTooltip StLabel {
     spacing: 20px;
 }
 
-.all-app .icon-grid {
-    -shell-grid-item-size: 118px;
-}
-
-.all-app .overview-icon {
-    icon-size: 96px;
-}
-
-
 .app-filter {
     font-size: 14px;
     font-weight: bold;

js/ui/searchDisplay.js

@@ -13,7 +13,7 @@ const Main = imports.ui.main;
 const Overview = imports.ui.overview;
 const Search = imports.ui.search;
 
-const MAX_SEARCH_RESULTS_ROWS = 2;
+const MAX_SEARCH_RESULTS_ROWS = 1;
 
 
 function SearchResult(provider, metaInfo, terms) {