fix: Source Trail badge favicon fallback so icon always appears before domain

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fix: disable img/video max-width reset so horizontal crop is not compressed

fix: correct crop rendering with viewport mask and full-size inner media, no double crop/stretch

fix: crop matches prototype exactly - container resizes, clipPath on img only, handles always visible outside crop area"

fix: crop uses only clipPath on full-size element, no double-reduction of width+clip that caused 2x crop bug"

feat: RefImageNode - Value Mirror (V key), Focus Mode opacity, Source Trail favicon badge

fix: RefImageNode - add GIF/video support, sourceUrl tracking, crop visual clipping

refactor: RefImageNode - image nodes with resize, crop, flip, desaturate, grouping