Fix: timeout error if script files not specified

[Vipul-Cariappa]

Fixes:

❯ idd -ba ./tmp/fib_loop -ra ./tmp/fib_tail_call
Traceback (most recent call last):
  File "/workspaces/cpp-py/opt/idd/idd.py", line 237, in <module>
    Debugger = GDBMiDebugger(ba, bs, ra, rs)
  File "/workspaces/cpp-py/opt/idd/debuggers/gdb/gdb_mi_driver.py", line 25, in __init__
    self.run_single_raw_command('file ' + base_args, 'base')
  File "/workspaces/cpp-py/opt/idd/debuggers/gdb/gdb_mi_driver.py", line 119, in run_single_raw_command
    raw_result = self.gdb_instances[version].write("{command}\n".format(command = command))
  File "/workspaces/cpp-py/opt/idd/venv/lib/python3.10/site-packages/pygdbmi/gdbcontroller.py", line 125, in write
    return self.io_manager.write(
  File "/workspaces/cpp-py/opt/idd/venv/lib/python3.10/site-packages/pygdbmi/IoManager.py", line 284, in write
    return self.get_gdb_response(
  File "/workspaces/cpp-py/opt/idd/venv/lib/python3.10/site-packages/pygdbmi/IoManager.py", line 104, in get_gdb_response
    raise GdbTimeoutError(
pygdbmi.constants.GdbTimeoutError: Did not get response from gdb after 1 seconds