valgrind:add comments to Items creating crashes

--comment some Items in Tasks applet that create crashes
with valgrind

plasmoid/package/contents/ui/previews/ToolTipDelegate2.qml

@@ -36,15 +36,15 @@ import org.kde.taskmanager 0.1 as TaskManager
 
 PlasmaExtras.ScrollArea {
     id: mainToolTip
-    property Item parentTask
-    property var rootIndex
+    property Item parentTask: null
+    property var rootIndex: []
 
     property string appName
     property int pidParent
     property bool isGroup
     property bool hideCloseButtons
 
-    property var windows
+    property var windows: []
     readonly property bool isWin: windows !== undefined
 
     property variant icon

plasmoid/package/contents/ui/previews/ToolTipInstance.qml

@@ -152,6 +152,7 @@ Column {
         }
         // close button
         PlasmaComponents.ToolButton {
+            //! It creates issues with Valgrind and needs to be completely removed in that case
             id: closeButton
             Layout.alignment: Qt.AlignRight | Qt.AlignTop
             visible: isWin && !hideCloseButtons
@@ -357,6 +358,7 @@ Column {
                     }
 
                    PlasmaComponents.ToolButton {
+                       //! It creates issues with Valgrind and needs to be completely removed in that case
                        id: canGoBackButton
                        enabled: canGoBack
                        iconSource: LayoutMirroring.enabled ? "media-skip-forward" : "media-skip-backward"
@@ -364,6 +366,7 @@ Column {
                    }
 
                    PlasmaComponents.ToolButton {
+                       //! It creates issues with Valgrind and needs to be completely removed in that case
                        id: playingButton
                        enabled: playing ? canPause : canPlay
                        iconSource: playing ? "media-playback-pause" : "media-playback-start"
@@ -377,6 +380,7 @@ Column {
                    }
 
                    PlasmaComponents.ToolButton {
+                       //! It creates issues with Valgrind and needs to be completely removed in that case
                        id: canGoNextButton
                        enabled: canGoNext
                        iconSource: LayoutMirroring.enabled ? "media-skip-backward" : "media-skip-forward"

plasmoid/package/contents/ui/task/TaskIcon.qml

@@ -66,6 +66,7 @@ Item {
         id: smartLauncherLoader
         active: taskIconContainer.smartLauncherEnabled
         sourceComponent: TaskManagerApplet.SmartLauncherItem {
+            //! It creates issues with Valgrind and needs to be completely removed in that case
             launcherUrl: taskItem.launcherUrlWithIcon
         }
     }