editor: Represent scroll offset with more precision (#39367)

Closes #5355

Release Notes:

- Fixed rendering glitches with files with more than 16 million lines
(that occured due to floating number rounding errors).

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Co-authored-by: Smit Barmase <heysmitbarmase@gmail.com>
d359a814f8Piotr Osiewicz committed on 10/2/2025, 9:04:31 PM· committed by GitHubparent4c35274
61 files changedLine totals unavailable