Fix bracket rendering when both parents are disabled

tournaments/static/tournaments/js/tournament_bracket.js

@@ -259,6 +259,10 @@ function renderBracket(options) {
           top = (parentPos1 + parentPos2) / 2;
           if (parent1Disable && parent2Disable) {
             nextMatchDistance = 0;
+            const keys = Object.keys(matchPositions[roundIndex]).map(Number);
+            const lastKey = Math.max(...keys);
+            top =
+              (matchHeight + matchSpacing) * minimumMatchDistance * keys.length;
           } else {
             nextMatchDistance = parentPos2 - parentPos1;
           }