Merge branch 'bugfix/one_shot_schedule' into 'master'

esp_schedule: Fix a bug which could cause wrong expiry check for one shot schedules

See merge request app-frameworks/esp-rainmaker!280

Author: shahpiyushv

components/esp_schedule/src/esp_schedule.c

@@ -266,6 +266,9 @@ static bool esp_schedule_is_expired(esp_schedule_t *schedule)
             if (schedule->trigger.next_scheduled_time_utc > 0 && schedule->trigger.next_scheduled_time_utc <= current_timestamp) {
                 /* One time schedule has expired */
                 return true;
+            } else if (schedule->trigger.next_scheduled_time_utc == 0) {
+                /* Schedule has been disabled , so it is as good as expired. */
+                return true;
             }
         }
     } else if (schedule->trigger.type == ESP_SCHEDULE_TYPE_DATE) {