Don't internally reset the selection after collected fonts

This creates an inconsistency between UI and internal mode.

Fix wangqr/Aegisub#10

src/dialog_fonts_collector.cpp

@@ -419,8 +419,7 @@ void DialogFontsCollector::OnCollectionComplete(wxThreadEvent &) {
 	if (path.Decode("?script") == "?script")
 		collection_mode->Enable(2, false);
 
-	wxCommandEvent evt;
-	OnRadio(evt);
+	UpdateControls();
 }
 }