fix int.separators indexes on dragging

--when there were many internal separators in the row
and the user was dragging a task the internal separators
indexes afterwards were broken. This fixes this by
forcing the separators to update their indexes after
the user finishes dragging.

plasmoid/package/contents/ui/ParabolicManager.qml

@@ -255,14 +255,18 @@ Item {
 
         if (currentPos === -1 && taskIndex >=0){
             //add that separator
+            //console.log("add separator:"+launcher+" at:"+taskIndex);
             separators.push({launcherUrl: launcher, index: taskIndex});
             updated = true;
         } else if (currentPos>-1 && taskIndex === -1) {
             //remove that separator
+            //console.log("remove separator:"+launcher);
             separators.splice(currentPos,1);
             updated = true;
         } else if (currentPos>-1 && taskIndex>-1 && separators[currentPos].index !== taskIndex) {
             //update that separator
+            //console.log("update separator:"+launcher+" from:"+separators[currentPos].index+" -> "+taskIndex);
+
             separators[currentPos].index = taskIndex;
             updated = true;
         }

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

@@ -301,7 +301,13 @@ MouseArea{
         Connections{
             target: root
             onEditModeChanged: separatorItem.updateForceHiddenState();
-            onDragSourceChanged: separatorItem.updateForceHiddenState();
+            onDragSourceChanged: {
+                separatorItem.updateForceHiddenState();
+
+                if (isSeparator && !root.dragSource) {
+                    parabolicManager.setSeparator(launcherUrl, itemIndex);
+                }
+            }
             onSeparatorsUpdated: separatorItem.updateForceHiddenState();
         }