refac: message input styling

src/lib/components/chat/MessageInput.svelte

@@ -1317,7 +1317,7 @@
 											id="chat-input"
 											dir={$settings?.chatDirection ?? 'auto'}
 											bind:this={chatInputElement}
-											class="scrollbar-hidden bg-transparent dark:text-gray-200 outline-hidden w-full pt-3 px-1 resize-none"
+											class="scrollbar-hidden bg-transparent dark:text-gray-200 outline-hidden w-full pt-4 pb-1 px-1 resize-none"
 											placeholder={placeholder ? placeholder : $i18n.t('Send a Message')}
 											bind:value={prompt}
 											on:input={() => {