Force a read of the location file during detection

osu.Game.Tournament/IPC/FileBasedIPC.cs

@@ -231,14 +231,16 @@ private string findFromEnvVar()
         }
 
         private string findFromJsonConfig()
-        {
-            try
         {
             Logger.Log("Trying to find stable through the json config");
+            if (tournamentStorage.Exists(stable_config))
+            {
+                using (Stream stream = tournamentStorage.GetStream(stable_config, FileAccess.Read, FileMode.Open))
+                using (var sr = new StreamReader(stream))
+                {
+                    stableInfo = JsonConvert.DeserializeObject<StableInfo>(sr.ReadToEnd());
                     return stableInfo.StablePath.Value;
                 }
-            catch
-            {
             }
             
             return null;