feat: Retrieve transient storage from simulation

[dianacarvalho1]

DISCLAIMER: This isn't working.. I don't understand why but the transient storage is always an empty HashMap.

I've tried to do a very simple test with a contract that just modifies its' own transient storage

 contract TransientTest {
     function set() public {
         uint256 value = 50;
         assembly {
             tstore(0x01, value)
         }
     }
 }

but even so, the transient storage is always empty 🤔

as far as I understand the journaled state is only cleared at the .finalize() stage, so accessing the transient storage where I'm doing should be good enough.
Could it be that it was never set to anything in the first place? 🤷🏼‍♀️
I've tried to access the journaled_state.transient_storage before the simulation with a test that modifies transient storage and the values are correct.. could it be that setting transient storage within the revm simulation is never done??