[plasma/plasma-desktop] applets/taskmanager/qml: applets/taskmanager: Fix warning on startup

Git commit 6ba1dd574f8d35cce393076b65c950c0b9251948 by Nate Graham, on behalf of Tomáš Hnyk.
Committed on 31/07/2026 at 13:30.
Pushed by ngraham into branch 'master'.

applets/taskmanager: Fix warning on startup

Upon starting plasma, this is emitted because screens are not yet
initialized.

qrc:/qt/qml/plasma/applet/org/kde/plasma/taskmanager/main.qml:236:9:
Unable to assign [undefined] to int

This fixes it by providing a dummy value while we wait for startup.

M  +1    -1    applets/taskmanager/qml/main.qml

https://invent.kde.org/plasma/plasma-desktop/-/commit/6ba1dd574f8d35cce393076b65c950c0b9251948

diff --git a/applets/taskmanager/qml/main.qml b/applets/taskmanager/qml/main.qml
index 704e01a68a..8d5a83ce7f 100644
--- a/applets/taskmanager/qml/main.qml
+++ b/applets/taskmanager/qml/main.qml
@@ -233,7 +233,7 @@ PlasmoidItem {
     readonly property TaskManagerApplet.Backend backend: TaskManagerApplet.Backend {
         id: backend
 
-        screen: Plasmoid.screen
+        screen: Plasmoid.screen ?? -1
         hasActiveTask: tasksModel.count > 0 && tasksModel.activeTask.valid
         showsOnlyCurrentScreen: Plasmoid.configuration.showOnlyCurrentScreen