96d84d561c571bc2caf657e79827b428d5b81a76  [line-clamp] Floats after the clamp point are still visible

Classified as not security-relevant.
Triage note: Line-clamp handling of discarded floats via LineClampUpdater::setIsForcedHidden/skipLayoutForForcedHidden in InlineFormattingContext and RenderBlockFlow. Layout correctness for floats after a clamp point, no security impact.
This commit was flagged by the signal scorer and reviewed by AI (not a human). It is listed only so the triage is auditable; there is no root-cause analysis because this is not a vulnerability fix.

Structural signals: smartptr_member_added (+4.87), msg_medium (+2.0), msg_soft (+1.0), msg_noise (-2.5), area:Source/WebCore/layout (+2.0), surgical (+1.3)