Add missing Brazilian portuguese translations

[Maximus7474]

Description

Some missing fields and untranslated lines were updated using already translated content in the file.

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Checklist

Please ensure your PR meets the following requirements:

• Changes are limited to one locale file.
• JSON file is properly formatted with 4-space indentation.
• The JSON file has been validated for syntax errors.
• The PR title clearly describes the locale and nature of the changes (e.g., "Update French Translations").

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Related Issues or Discussions

N/A

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