fix(cluster/display): don't print dashboardAddr if none or auto

[9547]

What problem does this PR solve?

the dashboardAddr maybe none or auto, don't print it.
ref

tiup/components/cluster/command/display.go

Lines 98 to 102 in 9fd5a22

	if dashboardAddr == "auto" {
	return fmt.Errorf("TiDB Dashboard is not initialized, please start PD and try again")
	} else if dashboardAddr == "none" {
	return fmt.Errorf("TiDB Dashboard is disabled")
	}

,

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 #1054 (9fd5a22) into master (df76e55) will increase coverage by 0.04%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #1054      +/-   ##
==========================================
+ Coverage   55.88%   55.92%   +0.04%     
==========================================
  Files         282      282              
  Lines       19868    19868              
==========================================
+ Hits        11103    11112       +9     
+ Misses       7037     7031       -6     
+ Partials     1728     1725       -3     

Flag	Coverage Δ
cluster	43.95% <100.00%> (ø)
dm	24.04% <0.00%> (+0.10%)	⬆️
integrate	50.23% <100.00%> (+0.04%)	⬆️
playground	20.31% <ø> (ø)
tiup	16.48% <ø> (ø)
unittest	22.28% <0.00%> (ø)

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

Impacted Files	Coverage Δ
pkg/cluster/manager/display.go	84.25% <100.00%> (+1.57%)	⬆️
components/dm/spec/topology_dm.go	83.02% <0.00%> (+0.61%)	⬆️
pkg/cluster/api/dmapi.go	62.60% <0.00%> (+4.34%)	⬆️

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[lucklove]

/lgtm

[lucklove]

/merge

[ti-chi-bot]

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

Commit hash: 9fd5a22