snapping should rather happen during painting
<rdar://problem/80584346>
Created attachment 437785 [details] Patch
Created attachment 437833 [details] Patch
Created attachment 437883 [details] Patch
Created attachment 437912 [details] Patch
We push the coordinate values through a bunch of implicit and explicit integral conversions as we dump them (see webkit.org/b/230174). It's misleading as renderers may be at a slightly different position (e.g. vertical -1px values).
Committed r282306 (241578@main): <https://commits.webkit.org/241578@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 437912 [details].