refactor(Json): 为特殊浮点数转换器添加大括号以增强可读性

Author: AlianBlank

GameFrameX.Foundation.Json/SpecialFloatingPointConverter.cs

@@ -59,11 +59,19 @@ public override double Read(ref Utf8JsonReader reader, Type typeToConvert, JsonS
             {
                 string propertyName = reader.GetString();
                 if (string.Equals(propertyName, "NaN", StringComparison.OrdinalIgnoreCase))
+                {
                     return double.NaN;
+                }
+
                 if (string.Equals(propertyName, "Infinity", StringComparison.OrdinalIgnoreCase))
+                {
                     return double.PositiveInfinity;
+                }
+
                 if (string.Equals(propertyName, "-Infinity", StringComparison.OrdinalIgnoreCase))
+                {
                     return double.NegativeInfinity;
+                }
             }
             catch
             {