feat: add offloads metrics with optional shortcuts

[RaduCristianPopescu]

All Submissions:

• Have you followed the Optimole Contributing guideline?
• Does your code follow the WordPress' coding standards?
• Have you checked to ensure there aren't other open Pull Requests for the same update/change?

Changes proposed in this Pull Request:

• Added an offload image metric box in Dashboard
• Added shortcuts for PRO users to go to the corresponding settings easily.

Pro Plan with Offloading

Free user

Other information:

• Have you added an explanation of what your changes do and why you'd like us to include them?
• Have you written new tests for your changes, as applicable?
• Have you successfully ran tests with your changes locally?

[Copilot]

Pull Request Overview

This PR adds a new "Offloaded images" metric box to the Optimole dashboard, allowing users to view the count of images offloaded to the cloud and providing easy access to manage image offloading settings.

• Added new metric card showing offloaded images count with management button
• Enhanced existing metric cards with action buttons for quick navigation
• Added localized strings for the new metric and button labels

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 4 comments.

File	Description
inc/admin.php	Added localized strings for the new offloaded images metric and action buttons
assets/src/dashboard/parts/connected/dashboard/index.js	Added offloaded images metric card, action buttons for all metrics, and navigation logic

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[Copilot]

Pull Request Overview

Copilot reviewed 2 out of 2 changed files in this pull request and generated no new comments.

Comments suppressed due to low confidence (1)

assets/src/dashboard/parts/connected/dashboard/index.js:105

• The property offload_image is not defined in the settingsTab object. This will cause the navigation function to receive undefined when the offload images button is clicked.

		value: () => navigate( settingsTab.offload_image )

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[pirate-bot]

🎉 This PR is included in version 4.1.0 🎉

The release is available on GitHub release

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