[Bug]: Fix scrollTop reest when scrolling horizontally in data table #3206
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When the header grid fired scroll events (during horizontal scrolling), it was calling the shared onScroll function with its own scrollTop value (which is 0 for headers). This overwrote the ScrollSync's shared scrollTop state, causing the body grid to reset its vertical position.
Screencast from 2025-09-05 00-13-43.webm