Stop subquery pushdown for OrderBy over Distinct

[roji]

For the following query:

_ = await context.Blogs.Distinct().OrderBy(b => b.Id).ToListAsync()

We currently produce:

SELECT [t].[Id], [t].[Name]
FROM (
    SELECT DISTINCT [b].[Id], [b].[Name]
    FROM [Blogs] AS [b]
) AS [t]
ORDER BY [t].[Id]

But the pushdown isn't needed, we can generate this instead (note that ORDER BY is processed after DISTINCT in SQL):

SELECT DISTINCT [b].[Id], [b].[Name]
FROM [Blogs] AS [b]
ORDER BY [t].[Id]