fix(scroll): #5995 keep computed height to avoid page jump #7146
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Closes #5995
Issue
When the iframe gets out of range, it unmounts to save memory. While scrolling on desktop widths (vertical layout), the iframes are unmounting and their height gets reduced. This causes page jump as the previous content gets shorter.
Solution
By keeping the calculated height value of the iframe, we can set the height of the iframe wrapper to prevent shrinking and remove the page jumps.
Reactdev-page-jump.mp4