cluster: fix ngm nightly not start by default

[nexustar]

What problem does this PR solve?

• close ng-monitoring not start when deploy tidb nightly #1756

What is changed and how it works?

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)
• No code

Code changes

• Has exported function/method change
• Has exported variable/fields change
• Has interface methods change
• Has persistent data change

Side effects

• Possible performance regression
• Increased code complexity
• Breaking backward compatibility

Related changes

• Need to cherry-pick to the release branch
• Need to update the documentation

Release notes:

NONE

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• srstack

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[codecov-commenter]

Codecov Report

Merging #1760 (9524f48) into master (10da905) will decrease coverage by 0.08%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##           master    #1760      +/-   ##
==========================================
- Coverage   53.16%   53.09%   -0.08%     
==========================================
  Files         303      303              
  Lines       34412    34412              
==========================================
- Hits        18295    18269      -26     
- Misses      13972    13990      +18     
- Partials     2145     2153       +8     

Flag	Coverage Δ
cluster	41.31% <0.00%> (-0.03%)	⬇️
dm	24.76% <0.00%> (-0.09%)	⬇️
playground	12.62% <0.00%> (ø)
tiup	14.40% <0.00%> (-0.02%)	⬇️
unittest	21.33% <0.00%> (+<0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
pkg/cluster/spec/spec.go	83.33% <0.00%> (ø)
pkg/cluster/api/dmapi.go	59.88% <0.00%> (-5.81%)	⬇️
pkg/repository/store/txn.go	56.91% <0.00%> (-2.13%)	⬇️
pkg/cluster/api/pdapi.go	57.88% <0.00%> (-1.59%)	⬇️
components/dm/spec/topology_dm.go	84.31% <0.00%> (-0.57%)	⬇️

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[AstroProfundis]

/merge

[ti-chi-bot]

This pull request has been accepted and is ready to merge.

Commit hash: 9524f48