Explore's tabs no longer vanish under a long list

The tab strip sat in a flex column taller than the page, and a sideways-scrolling box may shrink to nothing there: on a
phone the five tabs had no height at all and couldn't be reached. It keeps its size now (flex-none). Found by the phone
sweep.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01LsXgEaXee4GCU1hwYgPJXw

Pages/Explore.razor

@@ -14,7 +14,7 @@
 			<h1 class="font-bold truncate">@Localizer["Explore"]</h1>
 		</div>
 
-		<div class="overflow-x-auto">
+		<div class="overflow-x-auto flex-none">
 			<DTabs Active="(int)tab" ActiveChanged="SelectTab" Variant="DTabsVariant.Box" Size="DSize.Sm" ContentClass="hidden" class="flex-nowrap w-max">
 				<DTab><Header><i class="ion-md-pricetag"></i> @Localizer["Hashtags"]</Header></DTab>
 				<DTab><Header><i class="ion-md-flame"></i> @Localizer["Popular posts"]</Header></DTab>