Order Notes input field does not clear after submission

[Kibria-BS1954]

Bug Report: Order Notes input field does not clear after submission

Bug Type: Functionality / UI Behavior Issue
Module: Admin → Sales → Orders → Order Notes

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Description

When adding a new Order Note in nopCommerce-4.90.2, the note is successfully saved and displayed in the notes list.
However, after submission, the input field still retains the previously entered text.
The field should be automatically cleared to allow the admin to enter new notes without manually deleting old text.

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Steps to Reproduce

1. Navigate to Admin → Sales → Orders.
2. Open any existing order.
3. Scroll to the Order Notes section.
4. Enter a note into the Add a new note input box.
5. Click Add note button.
6. Observe the input field after submission.

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Actual Result

• The note is saved properly, but the input box still contains the same text entered previously.

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Expected Result

• After clicking Add note, the input field should automatically clear, resetting to empty state.

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Attachment

Video:
https://jam.dev/c/a33f107a-3d49-4f07-8f1b-93859d0e4e28

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Impact

• Admin users must manually delete old text before writing a new note.
• Causes inconvenience and slows down workflow when adding multiple notes.

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Severity: Low to Medium (Functional workflow issue)

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[RomanovM]

See also #7267