Merge pull request #2234 from matrix-org/bwindels/roomsectionfixcollapsedsize

Redesign: Fix room lists sizing

src/components/structures/RoomSubList.js

@@ -344,7 +344,7 @@ const RoomSubList = React.createClass({
                 "mx_RoomSubList_nonEmpty": len && !this.state.hidden,
             });
             if (this.state.hidden) {
-                return <div className={subListClasses}>
+                return <div className={subListClasses} style={{flexBasis: "unset", flexGrow: "unset"}}>
                     {this._getHeaderJsx()}
                 </div>;
             } else {

src/resizer/sizer.js

@@ -99,6 +99,7 @@ class Sizer {
 
 class FlexSizer extends Sizer {
     setItemSize(item, size) {
+        item.style.flexGrow = `0`;
         item.style.flexBasis = `${Math.round(size)}px`;
     }
 }