Fix order of matches on dashboard page

[evroon]

On the dashboard page with matches, the order of matches is sometimes wrong, depending on browser i think

[raubv0gel]

True 🙃

Firefox (wrong):

Edge (correct):

[raubv0gel]

Hm, now the order is also wrong in Edge:

implies

… after changing the plan manually.

[diniciacci]

I get a similar error in the demo, where if you create a simple one stage tournament with single elimination, you get the match schedule generated in reverse order. i.e. the winners of matches are scheduled to play before the matches they have to win. In this case it does not look like a display problem, but an generation error. Not sure it's related, but worth looking at.