fix(cdk/drag-drop): references to SVG not working inside preview #20742
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When we create a drag preview we clone the original element, move it to the bottom of the `body`, set it to `display: none` and clear all `id` attributes from the clone. As a result, SVG references inside the element break, because the source node is invisible. These changes resolve the issue by moving the original element outside the layout and making it invisible, instead of using `display: none`. Fixes angular#20720.
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) When we create a drag preview we clone the original element, move it to the bottom of the `body`, set it to `display: none` and clear all `id` attributes from the clone. As a result, SVG references inside the element break, because the source node is invisible. These changes resolve the issue by moving the original element outside the layout and making it invisible, instead of using `display: none`. Fixes #20720. (cherry picked from commit 06294d1)
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When we create a drag preview we clone the original element, move it to the bottom of the
body, set it todisplay: noneand clear allidattributes from the clone. As a result, SVG references inside the element break, because the source node is invisible.These changes resolve the issue by moving the original element outside the layout and making it transparent, instead of using
display: none.Fixes #20720.