Use command directly from bootstrap command inside start, and not via as_command_mut

Author: Shourya742

src/bootstrap/src/utils/exec.rs

@@ -559,7 +559,7 @@ impl ExecutionContext {
             println!("running: {command:?} (created at {created_at}, executed at {executed_at})")
         });
 
-        let cmd = command.as_command_mut();
+        let cmd = &mut command.command;
         cmd.stdout(stdout.stdio());
         cmd.stderr(stderr.stdio());