When text is copied and dragged to the Editor it is pasted only if it is dropped on the first row. It is not pasted if it is dropped below the first row of the content.
The text is pasted in the Editor only if it is dropped on the first line. In case the text is dropped below the first line the cursor is not visible and the text is not pasted.
The text should be pasted in the Editor even if it is dropped below the first line.
Related issue: #5454