justify:move dropped applets in correct position

containment/package/contents/ui/DragDropArea.qml

@@ -22,6 +22,8 @@ import QtQuick 2.7
 import org.kde.plasma.core 2.0 as PlasmaCore
 import org.kde.draganddrop 2.0 as DragDrop
 
+import org.kde.latte.core 0.2 as LatteCore
+
 DragDrop.DropArea {
     id: dragArea
 
@@ -215,5 +217,9 @@ DragDrop.DropArea {
 
         root.addLaunchersMessage = false;
         dndSpacer.opacity = 0;
+
+        if (dragInfo.isPlasmoid && root.panelAlignment === LatteCore.Types.Justify) {
+            root.layoutManagerMoveAppletsBasedOnJustifyAlignment();
+        }
     }
 }