multiline paste doesn't render text when ending in newline

[universalmind303]

Platform macOS Terminal software tried several (nu, iterm, bash, ...)

Describe the problem you are observing.

Steps to reproduce

It seems to only apply if the character sequence is 10 or more characters long.

this doesnt render

abcdefghij

but this does

abcdefghi

Screenshots/Screencaptures

https://github.com/nushell/reedline/assets/21327470/1d4bcf4c-eeb7-4c19-80dc-fae43f431b58

Note that it will render as soon as you add an additional character.

https://github.com/nushell/reedline/assets/21327470/99dd4770-1cd0-4f26-b3ee-60397292023e

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[sigoden]

relate to #648