Move the description into the relevant branch

src/RoomInvite.js

@@ -202,10 +202,10 @@ function _showAnyInviteErrors(addrs, room, inviter) {
             }
         }
 
-        // React 16 doesn't let us use `errorList.join(<br />)` anymore, so this is our solution
-        let description = <div>{errorList.map(e => <div key={e}>{e}</div>)}</div>;
-
         if (errorList.length > 0) {
+            // React 16 doesn't let us use `errorList.join(<br />)` anymore, so this is our solution
+            let description = <div>{errorList.map(e => <div key={e}>{e}</div>)}</div>;
+
             const ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
             Modal.createTrackedDialog('Failed to invite the following users to the room', '', ErrorDialog, {
                 title: _t("Failed to invite the following users to the %(roomName)s room:", {roomName: room.name}),