fix: Fix typo in check perms for timeline data

Traceback (most recent call last):
  File "apps/frappe/frappe/app.py", line 114, in application
    response = frappe.api.handle(request)
               ^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "apps/frappe/frappe/api/__init__.py", line 49, in handle
    data = endpoint(**arguments)
           ^^^^^^^^^^^^^^^^^^^^^
  File "apps/frappe/frappe/api/v1.py", line 36, in handle_rpc_call
    return frappe.handler.handle()
           ^^^^^^^^^^^^^^^^^^^^^^^
  File "apps/frappe/frappe/handler.py", line 49, in handle
    data = execute_cmd(cmd)
           ^^^^^^^^^^^^^^^^
  File "apps/frappe/frappe/handler.py", line 85, in execute_cmd
    return frappe.call(method, **frappe.form_dict)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "apps/frappe/frappe/__init__.py", line 1749, in call
    return fn(*args, **newargs)
           ^^^^^^^^^^^^^^^^^^^^
  File "apps/frappe/frappe/utils/typing_validations.py", line 30, in wrapper
    return func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^
  File "apps/frappe/frappe/__init__.py", line 915, in wrapper_fn
    retval = fn(*args, **get_newargs(fn, kwargs))
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "apps/frappe/frappe/desk/notifications.py", line 310, in get_open_count
    out["timeline_data"] = module.get_timeline_data(doctype, name)
                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "apps/erpnext/erpnext/selling/doctype/customer/customer.py", line 900, in get_timeline_data
    return get_timeline_data(
           ^^^^^^^^^^^^^^^^^^
  File "apps/erpnext/erpnext/accounts/party.py", line 881, in get_timeline_data
    if not frappe.has_permission(doctype, "read"):
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "apps/frappe/frappe/__init__.py", line 1068, in has_permission
    out = frappe.permissions.has_permission(
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "apps/frappe/frappe/permissions.py", line 51, in inner
    result = func(*args, **kwargs)
             ^^^^^^^^^^^^^^^^^^^^^
  File "apps/frappe/frappe/permissions.py", line 129, in has_permission
    meta = frappe.get_meta(doctype)
           ^^^^^^^^^^^^^^^^^^^^^^^^
  File "apps/frappe/frappe/__init__.py", line 1352, in get_meta
    return frappe.model.meta.get_meta(doctype, cached=cached)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "apps/frappe/frappe/model/meta.py", line 64, in get_meta
    meta = Meta(doctype)
           ^^^^^^^^^^^^^
  File "apps/frappe/frappe/model/meta.py", line 119, in __init__
    super().__init__("DocType", doctype)
  File "apps/frappe/frappe/model/document.py", line 126, in __init__
    self.load_from_db()
  File "apps/frappe/frappe/model/meta.py", line 125, in load_from_db
    super().load_from_db()
  File "apps/frappe/frappe/model/document.py", line 167, in load_from_db
    d = frappe.db.get_value(
        ^^^^^^^^^^^^^^^^^^^^
  File "apps/frappe/frappe/database/database.py", line 511, in get_value
    result = self.get_values(
             ^^^^^^^^^^^^^^^^
  File "apps/frappe/frappe/database/database.py", line 615, in get_values
    out = self._get_values_from_table(
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "apps/frappe/frappe/database/database.py", line 888, in _get_values_from_table
    return query.run(as_dict=as_dict, debug=debug, update=update, run=run, pluck=pluck)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "apps/frappe/frappe/query_builder/utils.py", line 84, in execute_query
    result = frappe.db.sql(query, params, *args, **kwargs)  # nosemgrep
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "apps/frappe/frappe/database/database.py", line 226, in sql
    self._cursor.execute(query, values)
  File "env/lib/python3.11/site-packages/pymysql/cursors.py", line 153, in execute
    result = self._query(query)
             ^^^^^^^^^^^^^^^^^^
  File "env/lib/python3.11/site-packages/pymysql/cursors.py", line 322, in _query
    conn.query(q)
  File "env/lib/python3.11/site-packages/pymysql/connections.py", line 558, in query
    self._affected_rows = self._read_query_result(unbuffered=unbuffered)
                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "env/lib/python3.11/site-packages/pymysql/connections.py", line 822, in _read_query_result
    result.read()
  File "env/lib/python3.11/site-packages/pymysql/connections.py", line 1200, in read
    first_packet = self.connection._read_packet()
                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "env/lib/python3.11/site-packages/pymysql/connections.py", line 772, in _read_packet
    packet.raise_for_error()
  File "env/lib/python3.11/site-packages/pymysql/protocol.py", line 221, in raise_for_error
    err.raise_mysql_exception(self._data)
  File "env/lib/python3.11/site-packages/pymysql/err.py", line 143, in raise_mysql_exception
    raise errorclass(errno, errval)
pymysql.err.OperationalError: (1054, "Unknown column 'datefield' in 'WHERE'")