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[feat] experimental support for ARROW:extension:point; support for arrrow:wkb for geojson layer (#2716)

- adds support for ARROW:extension:name EXTENSION_NAME.POINT position columns in Point, Line, Arc, Text layers.
- can pick geoarrow point column as source for Heatmap layer.
- interleaved xy geoarrow point vector is passed directly as a position data attribute for rendering.
- separate lon / lat columns are converted to geoarrow point vectors (only when source file is an .arrow file).
- this PR doesn't affect existing loading and support of non-geo columns.
- support for arrow:wkb in geojson layer. Atm features are transformed from wkb to features to binary features as getBinaryGeometriesFromArrow doesn't support arrow:wkb.

Known issues:
- text layer supplied with ARROW:extension:point column can only render string arrow columns (no values offsets).

Signed-off-by: Ihor Dykhta <dikhta.igor@gmail.com>

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