Runtime changes to bufferRowRange and bufferColumnRange currently break the grid rendering (blank grid or missing cells).

Root Cause: The Row and Cell pooling logic (Epic #8964) initializes fixed pools based on the initial configuration.

1. Row Buffer: Increasing bufferRowRange increases the required items count. The createRowPool logic needs to verify and expand the pool dynamically.
2. Column Buffer: Changing bufferColumnRange recalculates cellPoolSize. Existing Neo.grid.Row instances rely on a fixed pooledCells array size initialized during their first render. They need to be forced to resize this pool to align with the new cellPoolSize.

Proposed Fix:

• Ensure afterSetBufferRowRange triggers pool expansion in Neo.grid.Body.
• Ensure afterSetBufferColumnRange triggers a full re-render of all rows to resize their cell pools.