enhancement: improve reposition field dialog

[criticalAY]

Purpose / Description

Anki prefill the current position of the field and allow user to update it if they want to, this PR makes the dialog consistent with Anki reposition dialog

Current UI:

How Has This Been Tested?

Google emulator API 31

New UI:

Learning (optional, can help others)

I found this out when I was trying to reproduce some other bug, so just pushing this simple improvement

Checklist

Please, go through these checks before submitting the PR.

• You have a descriptive commit message with a short title (first line, max 50 chars).
• You have commented your code, particularly in hard-to-understand areas
• You have performed a self-review of your own code
• UI changes: include screenshots of all affected screens (in particular showing any new or changed strings)
• UI Changes: You have tested your change using the Google Accessibility Scanner

[github-actions]

Important

Maintainers: This PR contains Strings changes

1. Sync Translations before merging this PR and wait for the action to complete
2. Review and merge the auto-generated PR in order to sync all user-submitted translations
3. Sync Translations again and merge the PR so the huge automated string changes caused by merging this PR are by themselves and easy to review

[lukstbit]

Ok!