Fix a strange case where round_division could be missing

[sticks-stuff]

Fixes this strange error the leads to only the round name, and no other data loading.

Traceback (most recent call last):
  File "I:\TournamentStreamHelper\src\TSHScoreboardWidget.py", line 1075, in UpdateSetData
    self.ChangeSetData(data)
  File "I:\TournamentStreamHelper\src\TSHScoreboardWidget.py", line 938, in ChangeSetData
    if data.get("isPools", False) is False and round_division > 6:
                                               ^^^^^^^^^^^^^^^^^^
TypeError: '>' not supported between instances of 'NoneType' and 'int'

Other people have reported this issue as well (I suspect it was the same issue here)