Expand index market map (#8540)

* Expand index market map

* Cleanup

Author: jhonabreul

Algorithm.CSharp/BasicTemplateEurexFuturesAlgorithm.cs

@@ -56,7 +56,7 @@ public override void Initialize()
             _continuousContract.SetFilter(TimeSpan.Zero, TimeSpan.FromDays(180));
             _mappedSymbol = _continuousContract.Mapped;
 
-            var benchmark = AddIndex("SX5E", market: Market.EUREX);
+            var benchmark = AddIndex("SX5E");
             SetBenchmark(benchmark.Symbol);
 
             var seeder = new FuncSecuritySeeder(GetLastKnownPrices);

Algorithm.Python/BasicTemplateEurexFuturesAlgorithm.py

@@ -47,7 +47,7 @@ def initialize(self):
         self._continuous_contract.set_filter(timedelta(days=0), timedelta(days=180))
         self._mapped_symbol = self._continuous_contract.mapped
 
-        benchmark = self.add_index("SX5E", market=Market.EUREX)
+        benchmark = self.add_index("SX5E")
         self.set_benchmark(benchmark.symbol)
 
         func_seeder = FuncSecuritySeeder(self.get_last_known_prices)

Common/Securities/Index/IndexSymbol.cs

@@ -37,7 +37,8 @@ public static class IndexSymbol
         private static readonly Dictionary<string, string> _indexMarket = new(StringComparer.InvariantCultureIgnoreCase)
         {
             { "HSI", Market.HKFE },
-            { "N225", Market.OSE }
+            { "N225", Market.OSE },
+            { "SX5E", Market.EUREX }
         };
 
         /// <summary>