fix: add unique key to dice_app

[littlejiancc]

What type of this PR

/kind bug

What this PR does / why we need it:

fix: add unique key to dice_app

Which issue(s) this PR fixes:

• Fixes #your-issue_number
• [Erda Cloud Issue Link](paste your link here)

Specified Reviewers:

/assign @sfwn

ChangeLog

Language	Changelog
🇺🇸 English
🇨🇳 中文

Need cherry-pick to release versions?

/cherry-pick release/1.4

Add comment like /cherry-pick release/1.0 when this PR is merged.

For details on the cherry pick process, see the cherry pick requests section under CONTRIBUTING.md.

[erda-bot]

Automated cherry pick can ONLY be triggered when this PR is MERGED!

[codecov]

Codecov Report

Merging #2611 (b72d12a) into master (4d5fc52) will increase coverage by 0.03%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #2611      +/-   ##
==========================================
+ Coverage   16.38%   16.41%   +0.03%     
==========================================
  Files        1258     1259       +1     
  Lines      127651   127706      +55     
==========================================
+ Hits        20915    20964      +49     
- Misses     104585   104586       +1     
- Partials     2151     2156       +5     

Impacted Files	Coverage Δ
pkg/parser/pipelineyml/visitor_ref_op.go	46.23% <0.00%> (-0.54%)	⬇️
modules/admin/manager/cluster.go	13.41% <0.00%> (-0.10%)	⬇️
modules/admin/manager/permission.go	78.57% <0.00%> (ø)
pkg/mock/mock.go	45.45% <0.00%> (+4.04%)	⬆️
modules/admin/manager/id.go	70.58% <0.00%> (+70.58%)	⬆️

[sfwn]

/approve

[sfwn]

/cherry-pick release/1.4