[network/neochat/release/26.08] src/app: Don't manage a whole new RoomListModel just for KRunner

Git commit f9551c3834a5b010f67f98eb73f435b51cf36094 by Joshua Goins.
Committed on 24/07/2026 at 20:14.
Pushed by redstrate into branch 'release/26.08'.

Don't manage a whole new RoomListModel just for KRunner

This is a relatively expensive model (especially if you have a lot of
rooms) so much so it shows up in Hotspot. There's no reason not to
re-use the existing one though.

(cherry picked from commit 55ec567d17132c3af179e64c16da6041f3c918ba)

M  +3    -1    src/app/runner.cpp

https://invent.kde.org/network/neochat/-/commit/f9551c3834a5b010f67f98eb73f435b51cf36094

diff --git a/src/app/runner.cpp b/src/app/runner.cpp
index 8eee96f1b..f78350f0f 100644
--- a/src/app/runner.cpp
+++ b/src/app/runner.cpp
@@ -28,9 +28,11 @@ RemoteImage Runner::serializeImage(const QImage &image)
 
 Runner::Runner()
     : QObject()
-    , m_sourceModel(new RoomListModel(this))
+    , m_sourceModel(RoomManager::instance().roomListModel())
     , m_model(new SortFilterRoomListModel(m_sourceModel, this))
 {
+    Q_ASSERT(m_sourceModel != nullptr);
+
     connect(&Controller::instance(), &Controller::activeConnectionChanged, this, [this]() {
         m_sourceModel->setConnection(Controller::instance().activeConnection());
     });