call Activate to set the form to the top. Drag and drop seems to leave focus on where ever the file is being dragged from that can cause dialogs to be blocked

Author: nstlaurent

DoomLauncher/Forms/MainForm.cs

@@ -1399,6 +1399,7 @@ private void UpdateLocalTabData(ITabView tab)
         private async Task HandleAddGameFiles(AddFileType type, string[] files, 
             ITagData tag = null, FileManagement? overrideManagement = null, bool? overridePullTitlepic = null)
         {
+            Activate();
             if (!VerifyAddFiles(type, files))
                 return;
 
@@ -1576,17 +1577,14 @@ private FileAddResults UnmanagedAddCheck(string[] fileNames, string directory)
         private FileManagement GetUserSelectedFileManagement()
         {
             FileManagement fileManagement = AppConfiguration.FileManagement;
-
             if (fileManagement == FileManagement.Prompt)
             {
-                FileManagementSelect select = new FileManagementSelect
-                {
-                    StartPosition = FormStartPosition.CenterParent
-                };
+                Activate();
+                FileManagementSelect select = new FileManagementSelect();
+                select.StartPosition = FormStartPosition.CenterParent;
                 select.ShowDialog(this);
                 fileManagement = select.GetSelectedFileManagement();
             }
-
             return fileManagement;
         }
 
@@ -1858,8 +1856,7 @@ private async void ctrlView_DragDrop(object sender, DragEventArgs e)
             {
                 ITagData tag = null;
                 if (m_tabHandler.TabViewForControl(ctrl) is TagTabView tagTabView)
-                    tag = tagTabView.TagDataSource;
-
+                    tag = tagTabView.TagDataSource;                
                 if (ctrl.DoomLauncherParent != null && ctrl.DoomLauncherParent is IWadTabViewCtrl)
                     await HandleAddGameFiles(AddFileType.IWad, files);
                 else