Use a case insensitive dictionary to store the table columns

Author: cedx

src/Sql/Reflection/TableInfo.cs

@@ -17,7 +17,7 @@ public sealed class TableInfo(Type type) {
 		.GetProperties(BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.Public)
 		.Where(property => !property.IsDefined(typeof(NotMappedAttribute)) && ((property.CanRead && property.CanWrite) || property.IsDefined(typeof(ColumnAttribute))))
 		.Select(property => new ColumnInfo(property))
-		.ToFrozenDictionary(column => column.Name);
+		.ToFrozenDictionary(column => column.Name, StringComparer.OrdinalIgnoreCase);
 
 	/// <summary>
 	/// The single identity column, if applicable.