Add comment on svg and remove task manager changes

applets/taskmanager/package/contents/ui/main.qml

@@ -52,10 +52,8 @@ MouseArea {
         }
     }
 
-    Plasmoid.applyMargins: false;
-
     Layout.fillWidth: true
-    Layout.fillHeight: true
+    Layout.fillHeight:true
     Layout.minimumWidth: tasks.vertical ? 0 : LayoutManager.preferredMinWidth()
     Layout.minimumHeight: !tasks.vertical ? 0 : LayoutManager.preferredMinHeight()
 

containments/panel/contents/ui/main.qml

@@ -50,6 +50,7 @@ DragDrop.DropArea {
     property int fixedWidth: 0
     property int fixedHeight: 0
     
+    // This is invisible and only used to read panel margins
     PlasmaCore.FrameSvgItem {
         id: panelSvg
         visible: false