chore: tailwind v4 migration

src/lib/components/chat/Messages/MultiResponseMessages.svelte

@@ -286,7 +286,7 @@
 					</div>
 
 					{#if isLastMessage}
-						<div class=" flex-shrink-0 text-gray-600 dark:text-gray-500 mt-1">
+						<div class=" shrink-0 text-gray-600 dark:text-gray-500 mt-1">
 							<Tooltip content={$i18n.t('Merge Responses')} placement="bottom">
 								<button
 									type="button"