TT#58659 fix transcode_dtmf/cn pref type

All "transcode" preferences are listed as type "0" in the DB except for
DTMF and CN which are listed as "1". The LUA/Kamailio scripts fail to
include tyoe "1" preferences in the list of flags given to rtpengine.
Change the type to "0" to fix.

Change-Id: I38f0d9f1394e07b190f1bd196ac85f456017ae6f
(cherry picked from commit dd72e1284e162687de216365676da6be7d3c0603)

db_scripts/diff/15709.down

@@ -0,0 +1,4 @@
+USE provisioning;
+UPDATE voip_preferences SET type = 1 WHERE attribute = 'transcode_dtmf';
+UPDATE voip_preferences SET type = 1 WHERE attribute = 'transcode_cn';
+COMMIT;

db_scripts/diff/15709.up

@@ -0,0 +1,4 @@
+USE provisioning;
+UPDATE voip_preferences SET type = 0 WHERE attribute = 'transcode_dtmf';
+UPDATE voip_preferences SET type = 0 WHERE attribute = 'transcode_cn';
+COMMIT;