syntax: fix syntax error in file_explorer

[jalateras]

Syntax error in the file_explorer resulting in the following error

Traceback (most recent call last):
  File "/Users/jima/comware/workspace/atomica/.venv/bin/atomic", line 5, in <module>
    from atomic_assembler.main import main
  File "/Users/jima/comware/workspace/atomica/.venv/lib/python3.11/site-packages/atomic_assembler/main.py", line 5, in <module>
    from atomic_assembler.app import AtomicAssembler
  File "/Users/jima/comware/workspace/atomica/.venv/lib/python3.11/site-packages/atomic_assembler/app.py", line 9, in <module>
    from atomic_assembler.screens.file_explorer import FileExplorerScreen
  File "/Users/jima/comware/workspace/atomica/.venv/lib/python3.11/site-packages/atomic_assembler/screens/file_explorer.py", line 149
    f"Current directory: [bold {PRIMARY_COLOR}]{list_view.item.item_data["path"]}[/bold {PRIMARY_COLOR}]"

[KennyVaneetvelde]

Oh dear how did that one slip through, thanks for the fix!