lok: avoid duplicate notification of tab-stop and ruler changes.

We get far too many of these, one per key-stroke sometimes.

Change-Id: Ifecffe0a82c6eef6809e3a49883bb3f17cb4d170
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/128571
Tested-by: Jenkins CollaboraOffice <jenkinscollaboraoffice@gmail.com>
Reviewed-by: Jan Holesovsky <kendy@collabora.com>
diff --git a/desktop/source/lib/init.cxx b/desktop/source/lib/init.cxx
index f1dc900..a9ca2da 100644
--- a/desktop/source/lib/init.cxx
+++ b/desktop/source/lib/init.cxx
@@ -1464,6 +1464,8 @@
     m_states.emplace(LOK_CALLBACK_CURSOR_VISIBLE, "NIL");
     m_states.emplace(LOK_CALLBACK_SET_PART, "NIL");
     m_states.emplace(LOK_CALLBACK_TABLE_SELECTED, "NIL");
+    m_states.emplace(LOK_CALLBACK_TAB_STOP_LIST, "NIL");
+    m_states.emplace(LOK_CALLBACK_RULER_UPDATE, "NIL");
 }
 
 CallbackFlushHandler::~CallbackFlushHandler()