Cursor jumps to an end after every input when saving a new plan

🚧 THIS IS A TICKET MIGRATED FROM UPVOTY. The original ticket and comments will be available for a limited time over at:
https://abrp.upvoty.com/b/report-a-bug/cursor-jumps-to-an-end-after-every-input-when-saving-a-new-plan/
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When saving a new plan and edit its name, the cursor jumps to an end after every input.

Experienced on Google Chrome Version 117.0.5938.150 (Official Build) (64-bit). There are no errors in the browser dev console.