DocumentResultList: Make window title configurable

GUIs.Common/DocumentResultList/DocumentResultParams.vb

@@ -3,6 +3,7 @@
     ''' WindowGuid is used to save layout data
     ''' </summary>
     Public WindowGuid As String
+    Public WindowTitle As String = ""
     Public Results As New List(Of DocumentResult)
     Public ColumnNames As New ColumnNames
 End Class

GUIs.Common/DocumentResultList/frmDocumentResultList.vb

@@ -95,6 +95,10 @@ Public Class frmDocumentResultList
                 InitAppServer()
             End If
 
+            If _Params.WindowTitle <> "" Then
+                Text = $"{Text} - {_Params.WindowTitle}"
+            End If
+
             ' Initialize Viewer with GDPicture.NET License
             If _Environment.Settings.GdPictureKey = String.Empty Then
                 Throw New ApplicationException("GDPicture Licensekey is missing!")