fix(specs,transition_tool): Trace dump fixes (#700)

* fix(evm_transition_tool): trace collection

* fix(specs): Fix trace dump dir in EOFStateTest

Author: marioevz

src/ethereum_test_specs/eof.py

@@ -349,6 +349,7 @@ def generate_state_test(self) -> StateTest:
             tx=tx,
             env=self.env,
             post=post,
+            t8n_dump_dir=self.t8n_dump_dir,
         )
 
     def generate(

src/evm_transition_tool/transition_tool.py

@@ -365,13 +365,13 @@ def _evaluate_filesystem(
                 continue
             with open(file_path, "r+") as file:
                 output_contents[key] = json.load(file)
-
+        output = TransitionToolOutput(**output_contents)
         if self.trace:
-            self.collect_traces(output_contents["result"]["receipts"], temp_dir, debug_output_path)
+            self.collect_traces(output.result.receipts, temp_dir, debug_output_path)
 
         temp_dir.cleanup()
 
-        return TransitionToolOutput(**output_contents)
+        return output
 
     def _evaluate_stream(
         self,