Kill task when we do master failover to avoid task lost

[ruanwenjun]

Purpose of the pull request

Brief change log

Verify this pull request

This pull request is code cleanup without any test coverage.

(or)

This pull request is already covered by existing tests, such as (please describe tests).

(or)

This change added tests and can be verified as follows:

[codecov-commenter]

Codecov Report

Merging #10997 (28da177) into dev (4ff8eaa) will increase coverage by 0.03%.
The diff coverage is 7.69%.

@@             Coverage Diff              @@
##                dev   #10997      +/-   ##
============================================
+ Coverage     40.31%   40.34%   +0.03%     
- Complexity     4858     4863       +5     
============================================
  Files           943      943              
  Lines         37015    37038      +23     
  Branches       4061     4063       +2     
============================================
+ Hits          14922    14944      +22     
+ Misses        20593    20591       -2     
- Partials       1500     1503       +3     

Impacted Files	Coverage Δ
...heduler/remote/command/TaskKillRequestCommand.java	0.00% <0.00%> (ø)
...r/server/master/service/MasterFailoverService.java	56.77% <10.00%> (-3.78%)	⬇️
...duler/plugin/task/zeppelin/ZeppelinParameters.java	81.25% <0.00%> (-3.37%)	⬇️
...dolphinscheduler/remote/future/ResponseFuture.java	81.96% <0.00%> (-1.64%)	⬇️
...inscheduler/plugin/task/zeppelin/ZeppelinTask.java	48.05% <0.00%> (-0.64%)	⬇️
...che/dolphinscheduler/api/python/PythonGateway.java	21.64% <0.00%> (ø)
.../dolphinscheduler/plugin/task/datax/DataxTask.java	0.00% <0.00%> (ø)
...olphinscheduler/plugin/task/mlflow/MlflowTask.java	60.39% <0.00%> (+1.21%)	⬆️
...erver/master/processor/queue/TaskEventService.java	80.35% <0.00%> (+5.35%)	⬆️
... and 2 more

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 4ff8eaa...28da177. Read the comment docs.

[sonarqubecloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
1 Code Smell

53.8% Coverage
0.0% Duplication

[caishunfeng]

LGTM