Fix CLR type of SqlQuery projected column

Fixes dotnet#34518

Author: roji

src/EFCore.Relational/Query/RelationalQueryableMethodTranslatingExpressionVisitor.cs

@@ -198,9 +198,9 @@ [new FromSqlExpression(alias, sqlQueryRootExpression.Sql, sqlQueryRootExpression
                     new ColumnExpression(
                         SqlQuerySingleColumnAlias,
                         alias,
-                        sqlQueryRootExpression.Type.UnwrapNullableType(),
+                        sqlQueryRootExpression.ElementType.UnwrapNullableType(),
                         typeMapping,
-                        sqlQueryRootExpression.Type.IsNullableType()),
+                        sqlQueryRootExpression.ElementType.IsNullableType()),
                     identifier: [],
                     _sqlAliasManager);