Prevent dropping of external files onto editor #537
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We now detect whether a file is being dropped by a user (by checking `event.dataTransfer.files.length`) and prevent the remaining drop behavior if this is the case. Otherwise, drop happens like normal (so a user can still drop text into the editor, or even an image that has been uploaded already via normal means and rendered in the editor).
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We now detect whether a file is being dropped by a user (by checking
event.dataTransfer.files.length) and prevent the remaining drop behavior if this is the case. Otherwise, drop happens like normal (so a user can still drop text into the editor, or even an image that has been uploaded already via normal means and rendered in the editor).This should address this issue.