Enhance Add Ko-fi.com to the Social Icon block

[Mayank-Tripathi32]

resolves #68901

What?

Adds Ko-fi as a new social link option to the Social Links block

Why?

Ko-fi is a popular platform for creators to receive support from their community. Adding Ko-fi support to the Social Links block will help WordPress users better connect with their audience and provide an easy way for visitors to support their work. This enhancement aligns with having patreon icon as ko-fi is its competitor.

How?

• Added new Ko-fi icon component using SVG primitives
• Implemented proper ID management using withInstanceId to prevent conflicts
• Added Ko-fi to the supported social media platforms in the Social Links block
• Maintained consistent styling with other social icons in the block, used svg from ko-fi official asset files.

Testing Instructions

• Add a Social Links block to a post or page
• Click the "+" button to add a new social link
• Search for "Ko-fi" in the social link options
• Add your Ko-fi profile URL
• Verify the Ko-fi icon appears correctly with ko-fi latest icon pack from their assets.
• Check that hovering shows the correct hover state
• Verify the link works correctly in both editor and frontend views
• Test that the icon displays properly at different block sizes
• Ensure the icon maintains quality across different screen sizes and devices

Screenshots

[github-actions]

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Co-authored-by: Mayank-Tripathi32 <[email protected]>
Co-authored-by: Mamaduka <[email protected]>
Co-authored-by: yogeshbhutkar <[email protected]>
Co-authored-by: asafm7 <[email protected]>

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[Mamaduka]

Related #39609 (comment).