Fix: cloudshell scheme not found

[chivalryq]

Description of your changes

Fixes #855

I have:

• Read and followed KubeVela's contribution process.
• Related Docs updated properly. In a new feature or configuration option, an update to the documentation is necessary.
• Run yarn lint to ensure the frontend changes are ready for review.
• Run make reviewableto ensure the server changes are ready for review.
• Added backport release-x.y labels to auto-backport this PR if necessary.

Special notes for your reviewer

[codecov]

Codecov Report

Patch coverage: 25.00% and project coverage change: -1.52 ⚠️

Comparison is base (ff8382c) 60.46% compared to head (1176aae) 58.94%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #856      +/-   ##
==========================================
- Coverage   60.46%   58.94%   -1.52%     
==========================================
  Files         113      114       +1     
  Lines       19607    19822     +215     
==========================================
- Hits        11856    11685     -171     
- Misses       6299     6696     +397     
+ Partials     1452     1441      -11     

Flag	Coverage Δ
apiserver-unittests	32.14% <0.00%> (-1.70%)	⬇️
server-e2e-tests	48.34% <25.00%> (-0.65%)	⬇️

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

Impacted Files	Coverage Δ
pkg/server/infrastructure/clients/kubeclient.go	40.62% <25.00%> (-1.05%)	⬇️

... and 10 files with indirect coverage changes

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