feat(ResultSetBuilder): construct `ResultSet` directly from client, support all basic data type

**Is your feature request related to a problem? Please describe.**

There are three ways to construct a `ResultSet`, https://github.com/4paradigm/OpenMLDB/blob/420398b8349880bce262db06c3b143d023b56862/src/sdk/result_set_sql.h#L45-L56, the first two approach rely on protobuf structures, and the third approach assume all fields as string.

So there is no ease way to construct a `ResultSet` from scratch. E.g. I'd like to construct a `ResultSet` with the schema of `id int, buf string, ts timestamp`, and assert result set data in unit tests.

**Describe the solution you'd like**

TBD

An example (may not accurate):
```cpp
ResultSetBuilder()
.schema(schema)
.data(rows)
.build();
```

**other context**

hybridse's test use `Row` to assert test results: https://github.com/4paradigm/OpenMLDB/blob/420398b8349880bce262db06c3b143d023b56862/hybridse/include/codec/row.h#L36-L38. Let's see if we can reuse few or more

Review the existing ResultSet constructors in src/sdk/result_set_sql.h and the Row class in hybridse/include/codec/row.h. Understand the schema representation and data types (int, string, timestamp). Design a builder API that can create a ResultSet directly from a schema and rows of data, then implement it in the C++ SDK.

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