Follow-up on Resolve "Homepage - build functionality to personalize customer stories for SB, MM & ENT"

Step 1: What is changing in this MR?

• Additional to !3535 (merged), it adds a "skeleton" loading animation in the CustomersLogo component.
• Change queryParam s to be segment

Production	Review app
https://about.gitlab.com/	https://3466-test-loading-skeleton-homepage-build-functionality-to-pers.about.gitlab-review.app/

Step 2: Ensure that your changes comply with the following, where applicable:

• I, the Assignee, have run Axe tools on any updated pages, and fixed the relevant accessibility issues.
• These changes work on both Safari, Chrome, and Firefox.
• These changes have been reviewed for Visual Quality Assurance and Functional Quality Assurance on Mobile, Desktop, and Tablet.
• These changes work with our Google Analytics and SEO tools.
• These changes have been documented as expected.

Build Variables:

• Use Contentful Preview API

Closes #3466 (closed)