fix: calculate scale down count.

[zcc35357949]

Signed-off-by: zhouchencheng zhouchencheng@bilibili.com

Checklist:

• Either (a) I've created an enhancement proposal and discussed it with the community, (b) this is a bug fix, or (c) this is a chore.
• The title of the PR is (a) conventional, (b) states what changed, and (c) suffixes the related issues number. E.g. "fix(controller): Updates such and such. Fixes #1234".
• I've signed my commits with DCO
• I have written unit and/or e2e tests for my change. PRs without these are unlikely to be merged.
• My builds are green. Try syncing with master if they are not.
• My organization is added to USERS.md.

[codecov]

Codecov Report

Merging #1047 (4299c17) into master (bff46e1) will increase coverage by 0.08%.
The diff coverage is 93.65%.

@@            Coverage Diff             @@
##           master    #1047      +/-   ##
==========================================
+ Coverage   80.91%   81.00%   +0.08%     
==========================================
  Files         102      103       +1     
  Lines        9097     9166      +69     
==========================================
+ Hits         7361     7425      +64     
- Misses       1242     1246       +4     
- Partials      494      495       +1     

Impacted Files	Coverage Δ
pkg/kubectl-argo-rollouts/cmd/status/status.go	93.44% <93.44%> (ø)
pkg/kubectl-argo-rollouts/cmd/cmd.go	100.00% <100.00%> (ø)
utils/replicaset/canary.go	82.40% <100.00%> (ø)
utils/unstructured/unstructured.go	56.52% <0.00%> (-1.26%)	⬇️
metricproviders/newrelic/newrelic.go	92.00% <0.00%> (+0.69%)	⬆️

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[sonarcloud]

Kudos, SonarCloud Quality Gate passed!

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
0.0% Duplication

[jessesuen]

Nice catch! Especially given that this code is difficult to understand.