[Docs Site] Add fixed dimensions to Stream chapter thumbnails (#22090)

Author: KianNH

src/components/Stream.astro

@@ -72,7 +72,9 @@ if (thumbnail) {
 									<img
 										src={thumbnail.toString()}
 										alt={chapter}
-										class="rounded-sm border border-accent"
+										width="120"
+										height="64"
+										class="border-accent bg-accent/10 rounded-sm border"
 									/>
 									<div class="flex h-full flex-col items-center justify-between">
 										<strong class="line-clamp-2 text-xs" title={chapter}>