taskmanager: Use a single loader for tooltip thumbnails

applets/taskmanager/CMakeLists.txt

@@ -9,6 +9,7 @@ plasma_add_applet(org.kde.plasma.taskmanager
         qml/ContextMenu.qml
         qml/GroupDialog.qml
         qml/GroupExpanderOverlay.qml
+        qml/IconThumbnail.qml
         qml/main.qml
         qml/MouseHandler.qml
         qml/PipeWireThumbnail.qml

applets/taskmanager/qml/IconThumbnail.qml

@@ -0,0 +1,15 @@
+/*
+    SPDX-FileCopyrightText: 2026 Ramil Nurmanov <ramil2004nur@gmail.com>
+
+    SPDX-License-Identifier: LGPL-2.0-or-later
+*/
+
+import QtQuick
+import org.kde.kirigami as Kirigami
+
+Kirigami.Icon {
+    anchors.fill: parent
+    source: toolTipDelegate.icon
+    animated: false
+    visible: valid
+}

applets/taskmanager/qml/ToolTipInstance.qml

@@ -263,25 +263,6 @@ ColumnLayout {
             hovered: true
         }
 
-        // Windows hidden from screencasts must not leak their contents through the thumbnail, show the icon instead
-        Loader {
-            active: Plasmoid.configuration.showToolTips
-                && root.isExcludedFromCapture
-                && !toolTipDelegate.isLauncher
-                && !albumArtImage.visible
-                && root.index !== -1 // Avoid loading when the instance is going to be destroyed
-            asynchronous: true
-            visible: active
-            anchors.fill: hoverHandler
-            anchors.margins: Kirigami.Units.smallSpacing * 2
-
-            sourceComponent: Kirigami.Icon {
-                source: toolTipDelegate.icon
-                animated: false
-                visible: valid
-            }
-        }
-
         Loader {
             id: pipeWireLoader
             anchors.fill: hoverHandler
@@ -292,12 +273,12 @@ ColumnLayout {
             active: Plasmoid.configuration.showToolTips
                 && !toolTipDelegate.isLauncher
                 && !albumArtImage.visible
-                && toolTipDelegate.isReadyForPainting
-                && !root.isExcludedFromCapture
+                && (toolTipDelegate.isReadyForPainting || root.isExcludedFromCapture)
                 && root.index !== -1
             asynchronous: true
             //In a loader since we might not have PipeWire available yet (WITH_PIPEWIRE could be undefined in plasma-workspace/libtaskmanager/declarative/taskmanagerplugin.cpp)
-            source: "PipeWireThumbnail.qml"
+            // Windows excluded from capture must not leak their contents, so show the icon instead
+            source: root.isExcludedFromCapture ? "IconThumbnail.qml" : "PipeWireThumbnail.qml"
         }
 
         Loader {