Resolves: tdf#143372 Exclude {qtz} KeyID from SvxLanguageBox list

Change-Id: I3e52407a33f79713635063ff4ba374267eb98005
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/119002
Reviewed-by: Eike Rathke <erack@redhat.com>
Tested-by: Jenkins
(cherry picked from commit da13b76e07231131cb951868a314ee6f51c0f254)
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/118927
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
diff --git a/svx/source/dialog/langbox.cxx b/svx/source/dialog/langbox.cxx
index 49f6086..fcd9c54 100644
--- a/svx/source/dialog/langbox.cxx
+++ b/svx/source/dialog/langbox.cxx
@@ -95,6 +95,7 @@ bool lcl_isPrerequisite( LanguageType nLangType )
        nLangType != LANGUAGE_DONTKNOW &&
        nLangType != LANGUAGE_SYSTEM &&
        nLangType != LANGUAGE_NONE &&
        nLangType != LANGUAGE_USER_KEYID &&
        !MsLangId::isLegacy( nLangType) &&
        MsLangId::getSubLanguage( nLangType);
}