任务下发、更新、取消，优化图斑逻辑

rain

2024-08-14 ea73b6fb3ad0b34e4d856321afecae5ada1091fe

 src/main/java/com/dji/sample/manage/model/receiver/AlternateLandPointReceiver.java

@@ -15,4 +15,6 @@
    private Double longitude;

    private Double safeLandHeight;

    private Integer isConfigured;
}