Merge branch 'fix-sort-matches-by-position' into 'master'

Fix sort matches by position

See merge request turniere/turniere-frontend!37

js/redux/tournamentApi.js

@@ -72,7 +72,15 @@ function convertTournament(apiTournament) {
 
 function convertPlayoffStage(apiStage) {
     return {
-        id: apiStage.id, level: apiStage.level, matches: apiStage.matches.sort((a, b) => a.position > b.position).map(match => convertMatch(match, false))
+        id: apiStage.id, level: apiStage.level, matches: apiStage.matches.sort((a, b) => {
+            if (a.position < b.position) {
+                return -1
+            } else if (a.position > b.position) {
+                return 1
+            } else {
+                return 0
+            }
+        }).map(match => convertMatch(match, false))
     };
 }