Reload after export, Show and filter by Document Kind, Fix crash when reloading settings, change filename pattern for export files

MultiTool.Form/frmMain.vb

@@ -234,6 +234,10 @@ Public Class frmMain
     End Sub
 
     Private Async Sub BarButtonItem1_ItemClick(sender As Object, e As DevExpress.XtraBars.ItemClickEventArgs) Handles BarButtonItem1.ItemClick
+        If SplashScreenManager.IsSplashFormVisible Then
+            Exit Sub
+        End If
+
         SplashScreenManager.ShowWaitForm()
 
         Try