Fix more slugs after Astro upgrade, fixes #294

[stasadev]

The Issue

• Repeated item and undefined links in feed #294

Also I noticed that there was no links to previous posts at the bottom of the post:

How This PR Solves The Issue

Astro replaced slug with id in most places.

Manual Testing Instructions

See https://20241223-stasadev-rss-astro.ddev-com-front-end.pages.dev/blog/rss.xml

Before

<title>DDEV December 2024 Newsletter</title>
<link>https://ddev.com/blog/undefined</link>
<guid isPermaLink="true">https://ddev.com/blog/undefined</guid>
<description>DDEV November 2024 Newsletter</description>
<pubDate>Tue, 03 Dec 2024 00:00:00 GMT</pubDate>

After

<title>DDEV December 2024 Newsletter</title>
<link>https://ddev.com/blog/ddev-dec-2024-newsletter</link>
<guid isPermaLink="true">https://ddev.com/blog/ddev-dec-2024-newsletter</guid>
<description>DDEV November 2024 Newsletter</description>
<pubDate>Tue, 03 Dec 2024 00:00:00 GMT</pubDate>

---

Bottom navigation is back https://20241223-stasadev-rss-astro.ddev-com-front-end.pages.dev/blog/ddev-dec-2024-newsletter/

Automated Testing Overview

Related Issue Link(s)

Release/Deployment Notes

[cloudflare-workers-and-pages]

Deploying ddev-com-front-end with    Cloudflare Pages

Latest commit:	78a8ba6
Status:	✅  Deploy successful!
Preview URL:	https://02baad27.ddev-com-front-end.pages.dev
Branch Preview URL:	https://20241223-stasadev-rss-astro.ddev-com-front-end.pages.dev

View logs

[rfay]

Looking good to me, thanks!