Aliaksandr Kalenik e465e922bd LibWeb: Optimize :hover style invalidation ...

Instead of recalculating styles for all nodes in the common ancestor of
the new and old hovered nodes' subtrees, this change introduces the
following approach:
- While calculating ComputedProperties, a flag is saved if any rule
  applied to an element is affected by the hover state during the
  execution of SelectorEngine::matches().
- When the hovered element changes, styles are marked for recalculation
  only if the flag saved in ComputedProperties indicates that the
  element could be affected by the hover state.

2025-01-04 20:32:35 +01:00

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