fix: check null from column and and unit tests for null data

[tobegit3hub]

• Resolve OpenMLDB Batch fail when timestamp value is null #1263 .
• Support window and join with null data in orderby or join columns.
• Add end2end unit tests for window and join with null data.

[github-actions]

Linux Test Report

     102 files       228 suites   42m 19s ⏱️
  8 593 tests   8 590 ✔️ 3 💤 0 ❌
12 715 runs  12 712 ✔️ 3 💤 0 ❌

Results for commit 31abd77.

[codecov]

Codecov Report

Merging #1274 (31abd77) into main (37e4a6f) will decrease coverage by 0.18%.
The diff coverage is 91.66%.

@@             Coverage Diff              @@
##               main    #1274      +/-   ##
============================================
- Coverage     65.68%   65.50%   -0.19%     
+ Complexity      253      222      -31     
============================================
  Files           569      570       +1     
  Lines        106292   106351      +59     
  Branches        815      851      +36     
============================================
- Hits          69823    69666     -157     
- Misses        36306    36539     +233     
+ Partials        163      146      -17     

Impacted Files	Coverage Δ
...4paradigm/openmldb/batch/nodes/WindowAggPlan.scala	73.89% <66.66%> (-0.24%)	⬇️
..._4paradigm/openmldb/batch/utils/SparkRowUtil.scala	61.90% <100.00%> (+9.27%)	⬆️
...m/_4paradigm/openmldb/taskmanager/zk/HostPort.java	0.00% <0.00%> (-55.56%)	⬇️
...openmldb/taskmanager/config/TaskManagerConfig.java	0.00% <0.00%> (-54.17%)	⬇️
...openmldb/taskmanager/server/TaskManagerServer.java	0.00% <0.00%> (-50.00%)	⬇️
...adigm/openmldb/taskmanager/util/BatchJobUtil.scala	0.00% <0.00%> (-41.18%)	⬇️
...adigm/openmldb/taskmanager/zk/FailoverWatcher.java	0.00% <0.00%> (-28.79%)	⬇️
...aradigm/openmldb/taskmanager/zk/ZooKeeperUtil.java	0.00% <0.00%> (-16.18%)	⬇️
...openmldb/taskmanager/client/TaskManagerClient.java	0.00% <0.00%> (-15.60%)	⬇️
...paradigm/openmldb/taskmanager/JobInfoManager.scala	0.00% <0.00%> (-12.85%)	⬇️
... and 12 more

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