prepare for new profilematch version, clean up, fix bugs

app/DD_Clipboard_Searcher/frmResultDoc.vb

@@ -88,9 +88,6 @@ Public Class frmResultDoc
             _frmProfileMatch?.Show()
             _frmProfileMatch?.BringToFront()
         End If
-
-        CURR_MATCH_RESULT = Nothing
-        CLIPBOARD_TEXT = ""
     End Sub
 
     Private Async Function LoadSearchesAsync() As Task(Of List(Of DocSearch))