Updated Filter room icon

src/components/structures/SearchBox.js

@@ -94,7 +94,7 @@ module.exports = React.createClass({
                     <TintableSvg
                         key="button"
                         className="mx_SearchBox_searchButton"
-                        src="img/right_search.svg" width="24" height="24"
+                        src="img/icons-search-copy.svg" width="13" height="13"
                     />,
                     <input
                         key="searchfield"

src/skins/vector/css/matrix-react-sdk/structures/SearchBox.css

@@ -28,6 +28,7 @@ limitations under the License.
 
 .mx_SearchBox_searchButton {
     margin-right: 10px;
+    margin-top: 5px;
     pointer-events: none;
 }