fix: add enum check of flags of create cmd

[yipeng1030]

fix #533

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 34.78261% with 15 lines in your changes missing coverage. Please review.

Project coverage is 41.22%. Comparing base (131c0cf) to head (57a0910).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
pkg/cmd/cluster/create_subcmds.go	34.78%	10 Missing and 5 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #534      +/-   ##
==========================================
+ Coverage   41.20%   41.22%   +0.01%     
==========================================
  Files         187      187              
  Lines       25229    25252      +23     
==========================================
+ Hits        10396    10409      +13     
- Misses      13663    13669       +6     
- Partials     1170     1174       +4     

Flag	Coverage Δ
unittests	41.22% <34.78%> (+0.01%)	⬆️

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[yipeng1030]

/cherry-pick release-1.0

[apecloud-bot]

🤖 says: cherry pick action finished successfully 🎉!
See: https://github.com/apecloud/kbcli/actions/runs/12663534278