Fixed error when getting banned list to show in UI if bad was done from server management ui

What does this MR do and why?

Cause : Reason is empty when banning user from crafty UI

Issue: When fetching the ban list we try to get without checking

Fix: Use default reason None when fetching banlist

Traceback (most recent call last): File "/crafty/.venv/lib/python3.12/site-packages/tornado/web.py", line 1848, in _execute result = await result ^^^^^^^^^^^^ File "/crafty/app/classes/web/panel_handler.py", line 733, in get page_data["banned_players_html"] = get_banned_players_html() ^^^^^^^^^^^^^^^^^^^^^^^^^ File "/crafty/app/classes/web/panel_handler.py", line 718, in get_banned_players_html <h3>{player['name']}</h3> ~~~~~~^^^^^^^^ KeyError: 'name'

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