refactor: AssembledTransaction.simulate and AssembledTransactionAsync.simulate will no longer restore the state for read-only transactions.

[overcat]

No description provided.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 98.27%. Comparing base (b5b6698) to head (6d78e01).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1026   +/-   ##
=======================================
  Coverage   98.27%   98.27%           
=======================================
  Files         262      262           
  Lines       14228    14228           
=======================================
  Hits        13982    13982           
  Misses        246      246           

Flag	Coverage Δ
unittests	98.27% <100.00%> (ø)

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Files with missing lines	Coverage Δ
stellar_sdk/contract/assembled_transaction.py	80.34% <100.00%> (ø)
...tellar_sdk/contract/assembled_transaction_async.py	79.42% <100.00%> (ø)