Unable to paste from spreadsheet

[Famiboards]

I'm trying to copy and paste a table from Microsoft excel into a post, however the editor is unable to handle it.

I have disabled all addons and the issue persist.

I have attached two screenshots. The first one shows what the editor looks like. At first when you paste the table it looks correct. When you toggle BB code, it turns into the image. That is also the final result when you post.

I also attached a picture of the console log.

This previously worked before upgrading to 2.3
Unable to paste from spreadsheet

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