I do not have “Copy to Minecraft” button, when I try to import world, resourcepack, etc.

I'm getting this too. MC 1.13.2, iOS 13.2.2

Thank you for your report!
We're actually already tracking this issue at MCPE-47250, so I will resolve and link this ticket as a duplicate.

If you would like to add a vote and any extra information to the main ticket it would be appreciated.

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