enhancement: disable submit via enter on mobile

src/lib/components/chat/MessageInput.svelte

@@ -689,13 +689,14 @@
 								: $i18n.t('Send a Message')}
 							bind:value={prompt}
 							on:keypress={(e) => {
+								if (window.innerWidth > 1024) {
 									if (e.keyCode == 13 && !e.shiftKey) {
 										e.preventDefault();
 									}
 									if (prompt !== '' && e.keyCode == 13 && !e.shiftKey) {
-									// TODO: Only if screensize > xl
 										submitPrompt(prompt, user);
 									}
+								}
 							}}
 							on:keydown={async (e) => {
 								const isCtrlPressed = e.ctrlKey || e.metaKey; // metaKey is for Cmd key on Mac