fix issue with groupstage possible crash when calculating score

add the ability to always create a final table structure

PadelClubData/Data/Match.swift

@@ -875,7 +875,7 @@ defer {
         let endedSetsTwo = teamScoreOtherTeam.score?.components(separatedBy: ",").compactMap({ $0.components(separatedBy: "-").first }).compactMap({ Int($0) }) ?? matchFormat.defaultWalkOutScore(teamScoreOtherTeam.isWalkOut())
         var setDifference : Int = 0
         let zip = zip(endedSetsOne, endedSetsTwo)
-        if matchFormat.setsToWin == 1 {
+        if matchFormat.setsToWin == 1, endedSetsOne.count > 0, endedSetsTwo.count > 0 {
             setDifference = endedSetsOne[0] - endedSetsTwo[0]
         } else {
             setDifference = zip.filter { $0 > $1 }.count - zip.filter { $1 > $0 }.count