cluster: Type -> Rule in confirmTopology

[9547]

What problem does this PR solve?

IN tiup cluster display the topology's header is like below:

But in tiup cluster scale-out the topology's header is like below:

Let's be consistent

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

[codecov-io]

Codecov Report

Merging #1252 (2610433) into master (b56c8ad) will increase coverage by 0.42%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #1252      +/-   ##
==========================================
+ Coverage   26.17%   26.59%   +0.42%     
==========================================
  Files         263      224      -39     
  Lines       18841    17027    -1814     
==========================================
- Hits         4931     4529     -402     
+ Misses      13144    11647    -1497     
- Partials      766      851      +85     

Flag	Coverage Δ
dm	26.59% <100.00%> (?)
integrate	26.59% <100.00%> (+10.06%)	⬆️
tiup	?
unittest	?

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

Impacted Files	Coverage Δ
pkg/cluster/manager/manager.go	63.46% <100.00%> (+63.46%)	⬆️
pkg/repository/store/store.go	0.00% <0.00%> (-100.00%)	⬇️
components/dm/ansible/worker.go	0.00% <0.00%> (-100.00%)	⬇️
pkg/telemetry/scrub.go	0.00% <0.00%> (-86.67%)	⬇️
pkg/repository/utils/hash.go	0.00% <0.00%> (-81.82%)	⬇️
pkg/meta/err.go	0.00% <0.00%> (-81.25%)	⬇️
pkg/telemetry/meta.go	0.00% <0.00%> (-80.00%)	⬇️
pkg/repository/store/local.go	0.00% <0.00%> (-76.48%)	⬇️
pkg/cluster/api/error.go	0.00% <0.00%> (-75.00%)	⬇️
pkg/cluster/spec/validate.go	19.44% <0.00%> (-71.71%)	⬇️
... and 221 more

---

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[lucklove]

/lgtm

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• lucklove

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[lucklove]

/merge

[ti-chi-bot]

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

Commit hash: cca34f4