MT#55283 restore selected DB after delete

Deleting a call can have the side effect of changing the active Redis DB
on the writing instance. Restore the correct DB afterwards if needed.

Fixes #1905

Change-Id: I12dae767ffa5d25703e024d2ec59aa21ba9da101

daemon/redis.c

@@ -2229,6 +2229,8 @@ err1:
 			redis_ports_release_pop(false);
 		must_release_pop = false;
 
+		redis_select_db(rtpe_redis_write, rtpe_redis_write->db);
+
 		mutex_lock(&rtpe_redis_write->lock);
 		redisCommandNR(rtpe_redis_write->ctx, "DEL " PB, PBSTR(callid));
 		mutex_unlock(&rtpe_redis_write->lock);