fix edit-cluster help information

[nexustar]

What problem does this PR solve?

• fix Edit config help information has an incorrect newline mark #1898

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 #1900 (54b51da) into master (04c4927) will decrease coverage by 6.27%.
The diff coverage is 100.00%.

❗ Current head 54b51da differs from pull request most recent head 5d2e876. Consider uploading reports for the commit 5d2e876 to get more accurate results

@@            Coverage Diff             @@
##           master    #1900      +/-   ##
==========================================
- Coverage   52.56%   46.29%   -6.27%     
==========================================
  Files         307      306       -1     
  Lines       35454    35444      -10     
==========================================
- Hits        18635    16406    -2229     
- Misses      14627    16897    +2270     
+ Partials     2192     2141      -51     

Flag	Coverage Δ
dm	18.41% <100.00%> (-5.99%)	⬇️
unittest	?

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

Impacted Files	Coverage Δ
components/cluster/command/edit_config.go	60.87% <100.00%> (ø)
components/dm/command/edit_config.go	59.09% <100.00%> (+1.95%)	⬆️
components/dm/ansible/worker.go	0.00% <0.00%> (-100.00%)	⬇️
components/dm/task/update_dm_meta.go	0.00% <0.00%> (-87.76%)	⬇️
pkg/meta/err.go	0.00% <0.00%> (-76.19%)	⬇️
pkg/cluster/api/error.go	0.00% <0.00%> (-75.00%)	⬇️
pkg/crypto/rand/passwd.go	0.00% <0.00%> (-75.00%)	⬇️
pkg/telemetry/node_info.go	0.00% <0.00%> (-70.73%)	⬇️
pkg/utils/error.go	0.00% <0.00%> (-64.29%)	⬇️
components/dm/ansible/import.go	0.00% <0.00%> (-61.63%)	⬇️
... and 63 more

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[AstroProfundis]

/merge

[ti-chi-bot]

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

Commit hash: 5d2e876