OpenSeadragon constructor Cannot read appendChild of null

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Sometimes when I use the Openseadragon contructor I get this error.

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There isn't a regular pattern to reproduce the error, maybe 2 or 3 times on 10 contructor will go in this error. My simple code is the following

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And it also occurs when if I use ngZone for performance like official guide suggets

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Do someone have a solution? It is a known bug or do I missing somthing?

Github ref link here

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