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Miguel Ángel
2c70e65784
* fix(studio): timeline clips keep their pictures while you scroll With row virtualization on, the timeline dropped every clip's picture for the length of a scroll gesture and put it back 100ms after the gesture stopped, so a zoomed-in timeline showed grey boxes the whole time a person was moving through it. Clip content now stays mounted while scrolling; pictures already loaded come straight from the thumbnail cache. * perf(studio): clips that scroll into view get their pictures when the scroll stops Keeping every clip's content mounted through a scroll made each jump of the 50,000-clip viewport gate mount and lay out a screenful of new thumbnails, a 90 to 130 ms long task per run where main has none. A clip's content now mounts only while the timeline is at rest and then stays through later scrolls, so a picture already on screen never blanks and a scroll never mounts new ones.