Equipment column and index duplicate

[martin-ueding]

Reported by @pstorch:

2023-11-26 12:13:53 geo_activity_playground.webui.app ERROR Exception on /equipment [GET]
Traceback (most recent call last):
  File "/home/peter/.cache/pypoetry/virtualenvs/geo-activity-playground-uIcfKzN9-py3.11/lib/python3.11/site-packages/flask/app.py", line 1455, in wsgi_app
    response = self.full_dispatch_request()
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/peter/.cache/pypoetry/virtualenvs/geo-activity-playground-uIcfKzN9-py3.11/lib/python3.11/site-packages/flask/app.py", line 869, in full_dispatch_request
    rv = self.handle_user_exception(e)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/peter/.cache/pypoetry/virtualenvs/geo-activity-playground-uIcfKzN9-py3.11/lib/python3.11/site-packages/flask/app.py", line 867, in full_dispatch_request
    rv = self.dispatch_request()
         ^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/peter/.cache/pypoetry/virtualenvs/geo-activity-playground-uIcfKzN9-py3.11/lib/python3.11/site-packages/flask/app.py", line 852, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/peter/git/geo-activity-playground/geo_activity_playground/webui/app.py", line 84, in equipment
    return render_template("equipment.html.j2", **equipment_controller.render())
                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/peter/git/geo-activity-playground/geo_activity_playground/webui/equipment_controller.py", line 25, in render
    .reset_index()
     ^^^^^^^^^^^^^
  File "/home/peter/.cache/pypoetry/virtualenvs/geo-activity-playground-uIcfKzN9-py3.11/lib/python3.11/site-packages/pandas/core/frame.py", line 6220, in reset_index
    new_obj.insert(
  File "/home/peter/.cache/pypoetry/virtualenvs/geo-activity-playground-uIcfKzN9-py3.11/lib/python3.11/site-packages/pandas/core/frame.py", line 4931, in insert
    raise ValueError(f"cannot insert {column}, already exists")
ValueError: cannot insert equipment, already exists

[martin-ueding]

Fixed.