## Description
Refactor the current date formatting system to utilize Lingui.
## Changes Made
- Remove redundant `LocaleData` component with Lingui dates
## Important notes
For the internal pages for certificates, default to en-US to format any
dates.
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
- **New Features**
- Enhanced internationalization support across various components by
utilizing the `i18n` object for date formatting.
- Streamlined locale management by removing cookie-based language
handling and adopting a more centralized approach.
- **Bug Fixes**
- Improved date formatting consistency by replacing the `LocaleDate`
component with direct calls to `i18n.date()` in multiple components.
- **Documentation**
- Updated localization strings in the `web.po` files to reflect recent
changes in the source code structure.
- **Chores**
- Minor formatting adjustments and code organization improvements across
various files to enhance readability and maintainability.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
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Co-authored-by: github-actions <github-actions@documenso.com>
## Description
Adds the external ID column to documents and templates with an option to
configure it in the API or UI.
External ID's can be used to link a document or template to an external
system and identify them via webhooks, etc.
