fix up dynamically loaded svgs, and fix bottomleftmenu

src/components/structures/RoomSubList.js

@@ -262,11 +262,16 @@ var RoomSubList = React.createClass({
         });
     },
 
+    onSvgLoad: function(event) {
+        dis.dispatch({ action: "svg_onload", svg: event.target });
+    },
+
     _getHeaderJsx: function() {
         return (
             <h2 onClick={ this.onClick } className="mx_RoomSubList_label">
                 { this.props.collapsed ? '' : this.props.label }
                 <object type="image/svg+xml" className="mx_RoomSubList_chevron mx_Svg"
+                    onLoad={ this.onSvgLoad }
                     data={ this.state.hidden ? "img/list-close.svg" : "img/list-open.svg" }
                     width="10" height="10" />
             </h2>