Fixed an issue for which folder changes after dropping an item (#3468)

Author: gave92

Files/BaseLayout.cs

@@ -968,6 +968,8 @@ protected async void Item_Drop(object sender, DragEventArgs e)
             var deferral = e.GetDeferral();
 
             e.Handled = true;
+            dragOverItem = null; // Reset dragged over item
+
             ListedItem rowItem = GetItemFromElement(sender);
             if (rowItem != null)
             {

Files/UserControls/NavigationToolbar.xaml.cs

@@ -825,6 +825,8 @@ private async void PathBoxItem_DragOver(object sender, DragEventArgs e)
 
         private void PathBoxItem_Drop(object sender, DragEventArgs e)
         {
+            dragOverPath = null; // Reset dragged over pathbox item
+
             if (!((sender as Grid).DataContext is PathBoxItem pathBoxItem) ||
                 pathBoxItem.Path == "Home" || pathBoxItem.Path == "NewTab".GetLocalized())
             {

Files/UserControls/SidebarControl.xaml.cs

@@ -409,6 +409,8 @@ private void NavigationViewLocationItem_DragOver_SetCaptions(LocationItem sender
 
         private void NavigationViewLocationItem_Drop(object sender, DragEventArgs e)
         {
+            dragOverItem = null; // Reset dragged over item
+
             if (!((sender as Microsoft.UI.Xaml.Controls.NavigationViewItem).DataContext is LocationItem locationItem))
             {
                 return;
@@ -492,6 +494,8 @@ private async void NavigationViewDriveItem_DragOver(object sender, DragEventArgs
 
         private void NavigationViewDriveItem_Drop(object sender, DragEventArgs e)
         {
+            dragOverItem = null; // Reset dragged over item
+
             if (!((sender as Microsoft.UI.Xaml.Controls.NavigationViewItem).DataContext is DriveItem driveItem))
             {
                 return;