fix: readonly client moved inconsistency

[proost]

issue: #869

When client is read-only and client send lua script with write command to replica, return redirect response

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 70.71%. Comparing base (45d596e) to head (8d9cd8b).
Report is 6 commits behind head on unstable.

Additional details and impacted files

@@             Coverage Diff              @@
##           unstable    #1284      +/-   ##
============================================
+ Coverage     70.56%   70.71%   +0.14%     
============================================
  Files           114      114              
  Lines         63147    63160      +13     
============================================
+ Hits          44560    44663     +103     
+ Misses        18587    18497      -90     

Files with missing lines	Coverage Δ
src/script.c	88.23% <100.00%> (+0.59%)	⬆️

... and 12 files with indirect coverage changes