fix: Fixed the password-reset endpoint

[johnson-oragui]

This fix corrects the the previous implementation where users are not appropriately sent a link/valid link when they request for a password change.
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Description

This fix corrects the the previous implementation where users are not appropriately sent a link/valid link when they request for a password change. With the changes done, users can now receive mails regarding heir change of password.
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Related Issue (Link to issue ticket)

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Motivation and Context

Users/Clients should be able to changes/reset their password when they have forgotten it or can no longer sign for some security reason.

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How Has This Been Tested?

This has been tested with pytest and postman.

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Screenshots (if appropriate - Postman, etc):

Reset token sent to user successfully

reset token received in user email
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user successfully changes password

user tries to reuse token

passwords validations

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
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Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.