fix: formatting CSS rules ignored by Libre Office Writer when pasting, probably due to specified fragment pointing to the HTML only portion

Refs #2487

Author: ansgarbecker

source/main.pas

@@ -12262,7 +12262,7 @@ procedure TMainForm.actCopyOrCutExecute(Sender: TObject);
 
 procedure TMainForm.actCopyFormattedExecute(Sender: TObject);
 var
-  Exporter: TSynExporterHTML;
+  Exporter: TSynExporterRTF;
   SynMemo: TSynMemo;
 begin
   // Copy formatted SQL text to clipboard
@@ -12279,7 +12279,7 @@ procedure TMainForm.actCopyFormattedExecute(Sender: TObject);
     Exit;
   end;
 
-  Exporter := TSynExporterHTML.Create(nil);
+  Exporter := TSynExporterRTF.Create(nil);
   try
     Exporter.Title := APPNAME;
     Exporter.UseBackground := True;