use future.get() to propagate exceptions

[andreaslyn]

No description provided.

[Copilot]

Pull request overview

This PR updates transaction execution code to properly propagate exceptions from previous transaction futures by changing from wait() to get() on future objects. This ensures that if a previous transaction in the execution sequence throws an exception, it will be properly propagated to dependent transactions rather than silently ignored.

Key changes:

• Replaced prev_.get_future().wait() with prev_.get_future().get() to enable exception propagation from previous transaction executions

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
category/execution/monad/execute_system_transaction.cpp	Updated system transaction execution to use get() instead of wait() for proper exception propagation from previous transaction
category/execution/ethereum/execute_transaction.cpp	Updated regular transaction execution to use get() instead of wait() for proper exception propagation from previous transaction

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