fix: cli cannot scroll down if multiple selections

[yuqizhou77]

Bug 27955155: [CLI] Scroll down will error when single select an item of large index from a list
choices.length could be smaller than page size, leading to pageStarter <0.
After fix:

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 88.32%. Comparing base (e1b11d5) to head (d612153).
Report is 8 commits behind head on dev.

Additional details and impacted files

@@            Coverage Diff             @@
##              dev   #11521      +/-   ##
==========================================
+ Coverage   88.19%   88.32%   +0.13%     
==========================================
  Files         535      536       +1     
  Lines       32144    32600     +456     
  Branches     6328     6510     +182     
==========================================
+ Hits        28348    28793     +445     
- Misses       1876     1884       +8     
- Partials     1920     1923       +3     

Files	Coverage Δ
packages/cli/src/prompts/utils.ts	97.36% <100.00%> (+2.77%)	⬆️

... and 4 files with indirect coverage changes