Fix #12372: Replace 'populate' with 'fill' in Browser Integration docs

[AD-Thiago]

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Testing strategy

NOTE: # ( Please describe in detail how you tested your changes## Summary
This PR fixes issue #12372 by replacing the incorrect usage of 'populate' with 'fill' in the Browser Integration documentation.

Changes

• Line 7: Changed "populate them directly into website fields" to "fill them directly into website fields"
• Line 64: Changed "automatically populate the entries" to "automatically fill the entries"

Reason for changes

The verb 'populate' means to fill something (a container/field) WITH something. Using it with 'them' (the credentials) as the object is grammatically incorrect. 'Fill' is the correct verb to use in this context.

Related issue

Fixes #12372. )
TIP: # ( We expect new code to be covered by unit tests and include helpful comments. )

Type of change

• ✅ Bug fix (non-breaking change that fixes an issue)
• ✅ New feature (change that adds functionality)
• ✅ Breaking change (causes existing functionality to change)
• ✅ Refactor (significant modification to existing code)
• ✅ Documentation (non-code change)

[Copilot]

Pull request overview

This PR addresses issue #12372 by correcting the grammatical misuse of the verb "populate" in the Browser Integration documentation. The changes replace "populate" with "fill" where the direct object is credentials or entries rather than fields.

Key Changes

• Corrected two instances where "populate" was incorrectly used with credentials/entries as the direct object
• Improved grammatical accuracy of the documentation without changing its technical meaning