**Describe what's wrong**

Query with rollup using same selected field name as the name of underlying column reports structure mismatch

**Does it reproduce on recent release?**

yes

**How to reproduce**

`21.9.2.17`

```sql
CREATE TABLE test
(
    `d` DateTime,
    `a` LowCardinality(String),
    `b` UInt64
)
ENGINE = MergeTree
PARTITION BY toDate(d)
ORDER BY d;

SELECT *
FROM (
    SELECT
        a,
        max((d, b)).2 AS value
    FROM test
    GROUP BY rollup(a)
)
WHERE a <> '';
```

**Expected behavior**

This used to return an ok result on v21.8

**Error message and/or stacktrace**

> Code: 352. DB::Exception: Block structure mismatch in (columns with identical name must have identical structure) stream: different columns:
> notEquals(a, '') LowCardinality(UInt8) ColumnLowCardinality(size = 0, UInt8(size = 0), ColumnUnique(size = 1, UInt8(size = 1)))
> notEquals(a, '') LowCardinality(UInt8) Const(size = 0, ColumnLowCardinality(size = 1, UInt8(size = 1), ColumnUnique(size = 2, UInt8(size = 2)))). (AMBIGUOUS_COLUMN_NAME) (version 21.9.2.17 (official build))



if (getSelectQuery()->window())
    {
        getRootActionsNoMakeSet(getSelectQuery()->window(),
            true , step.actions());
    }
    for (const auto & [_, w] : window_descriptions)
    {
        for (const auto & f : w.window_functions)
        {
            
            
            
            
            getRootActionsNoMakeSet(f.function_node->clone(),
                true , step.actions());
            
            for (const auto & a : f.function_node->arguments->children)
            {
                step.addRequiredOutput(a->getColumnName());
            }
        }
        
        for (const auto & c : w.full_sort_description)
        {
            step.addRequiredOutput(c.column_name);
        }
    }
}
bool SelectQueryExpressionAnalyzer::appendHaving(ExpressionActionsChain & chain, bool only_types)