feat: show transactions from and to intelligent contracts

In the bottom section "Transactions" where we show the list of the transactions sent to the current contract, we should also show the transactions sent by this contract. 
Transactions emitted by a contract are called messages and they can be sent as in the following example: https://github.com/yeagerai/genlayer-studio/blob/main/tests/integration/contract_examples/multi_tenant_storage.py#L48