Missing sub plan info of ShuffleReceiver executor

[mmyj]

Bug Report

1. Minimal reproduce step (Required)

1. preparing data

tiup bench tpch -H 0.0.0.0 -P 4000 -U root -D tpch prepare

2. executing query

use tpch;
explain analyze
SELECT MIN(ps_supplycost) over (partition by p_partkey) as min_ps_supplycost
FROM tpch.part,
     tpch.partsupp,
     tpch.supplier,
     tpch.nation,
     tpch.region
WHERE p_partkey = ps_partkey
  AND s_nationkey = n_nationkey
  AND s_suppkey = ps_suppkey
  AND n_regionkey = r_regionkey;

2. What did you expect to see? (Required)

Projection_21
└─Shuffle_64
  └─Window_22
    └─Sort_63
      └─ShuffleReceiver_69
          └─sub join plan

3. What did you see instead (Required)

Projection_21
└─Shuffle_64
  └─Window_22
    └─Sort_63
      └─ShuffleReceiver_69

4. What is your TiDB version? (Required)

• master
• 5.2.1

[mmyj]

The explainPlanInRowFormat function miss a processing to format PhysicalShuffleReceiverStub sub plan.

[chrysan]

/assign

[github-actions]

Please check whether the issue should be labeled with 'affects-x.y' or 'fixes-x.y.z', and then remove 'needs-more-info' label.