Normalize wrappers and fix broken float codegen (#200)

* Normalize all wrappers to exclude state and no longer be records (following prior commits)

* Fix generator to reference correct type name for float32 type

src/generator/Wrappers.cs

@@ -78,7 +78,7 @@ readonly partial struct {{wrapperName}} { }
             SpecialType.System_Int32 => "Int32Wrap",
             SpecialType.System_Int64 => "Int64Wrap",
             SpecialType.System_String => "StringWrap",
-            SpecialType.System_Single => "FloatWrap",
+            SpecialType.System_Single => "SingleWrap",
             SpecialType.System_Double => "DoubleWrap",
             SpecialType.System_Decimal => "DecimalWrap",
             _ => null

src/serde/Wrappers.cs

@@ -14,7 +14,7 @@ namespace Serde;
     void ISerialize<T>.Serialize(T value, ISerializer serializer) => value.Serialize(value, serializer);
 }
 
-public readonly partial record struct BoolWrap
+public readonly partial struct BoolWrap
     : ISerialize<bool>, IDeserialize<bool>
 {
     public static ISerdeInfo SerdeInfo { get; } = Serde.SerdeInfo.MakePrimitive(s_typeName);
@@ -168,7 +168,7 @@ private sealed class SerdeVisitor : IDeserializeVisitor<long>
     }
 }
 
-public readonly record struct SingleWrap : ISerialize<float>, IDeserialize<float>
+public readonly struct SingleWrap : ISerialize<float>, IDeserialize<float>
 {
     public static ISerdeInfo SerdeInfo { get; } = Serde.SerdeInfo.MakePrimitive("float");
     public void Serialize(float value, ISerializer serializer)
@@ -177,7 +177,7 @@ public static float Deserialize(IDeserializer deserializer)
         => deserializer.ReadFloat();
 }
 
-public readonly partial record struct DoubleWrap
+public readonly partial struct DoubleWrap
     : ISerialize<double>, IDeserialize<double>
 {
     public static ISerdeInfo SerdeInfo { get; } = Serde.SerdeInfo.MakePrimitive("double");
@@ -263,7 +263,7 @@ private ArgumentOutOfRangeException GetOOR(int index)
 
 public static class NullableWrap
 {
-    public readonly partial record struct SerializeImpl<T, TWrap> : ISerialize<T?>
+    public readonly partial struct SerializeImpl<T, TWrap> : ISerialize<T?>
         where T : struct
         where TWrap : struct, ISerialize<T>
     {
@@ -281,7 +281,7 @@ public static class NullableWrap
         }
     }
 
-    public readonly partial record struct DeserializeImpl<T, TWrap>
+    public readonly partial struct DeserializeImpl<T, TWrap>
         : IDeserialize<T?>
         where T : struct
         where TWrap : IDeserialize<T>
@@ -311,7 +311,7 @@ private sealed class Visitor : IDeserializeVisitor<T?>
 
 public static class NullableRefWrap
 {
-    public readonly partial record struct SerializeImpl<T, TWrap> : ISerialize<T?>
+    public readonly partial struct SerializeImpl<T, TWrap> : ISerialize<T?>
         where T : class
         where TWrap : struct, ISerialize<T>
     {
@@ -330,7 +330,7 @@ public static class NullableRefWrap
         }
     }
 
-    public readonly partial record struct DeserializeImpl<T, TWrap>(T? Value)
+    public readonly partial struct DeserializeImpl<T, TWrap>
         : IDeserialize<T?>
         where T : class
         where TWrap : IDeserialize<T>