Fix order by in test_storage_delta

[vdimir]

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Sometimes a bit flaky: https://s3.amazonaws.com/clickhouse-test-reports/0/799e0535a9439f57c9d7979bf2ae0ebba2b978f4/integration_tests__release__[3/4]/integration_run_parallel3_0.log

explain plan
SELECT number, toString(number + 1) FROM numbers(5)
UNION ALL SELECT number, toString(number + 1) FROM numbers(10, 15)
ORDER BY 1;

┌─explain────────────────────────────────────────────────────────┐
│ Union                                                          │
│   Expression ((Projection + Before ORDER BY))                  │
│     ReadFromStorage (SystemNumbers)                            │
│   Expression ((Projection + Before ORDER BY [lifted up part])) │
│     Sorting (Sorting for ORDER BY)                             │
│       Expression (Before ORDER BY)                             │
│         ReadFromStorage (SystemNumbers)                        │
└────────────────────────────────────────────────────────────────┘


explain plan
SELECT * FROM (
    SELECT number, toString(number + 1) FROM numbers(5)
    UNION ALL SELECT number, toString(number + 1) FROM numbers(10, 15)
) ORDER BY 1;

┌─explain───────────────────────────────────────────────────────────────┐
│ Expression (Projection)                                               │
│   Sorting (Sorting for ORDER BY)                                      │
│     Union                                                             │
│       Expression ((Before ORDER BY + (Projection + Before ORDER BY))) │
│         ReadFromStorage (SystemNumbers)                               │
│       Expression (( + (Projection + Before ORDER BY)))                │
│         ReadFromStorage (SystemNumbers)                               │
└───────────────────────────────────────────────────────────────────────┘

[kssenii]

Integration tests flaky check (asan) — Empty test_results.tsv

Can't start docker daemon, timeout exceeded.