fix: toggle settings shortcut fix

src/lib/components/chat/ShortcutsModal.svelte

@@ -135,7 +135,7 @@
 							<div
 								class=" h-fit py-1 px-2 flex items-center justify-center rounded border border-black/10 capitalize text-gray-600 dark:border-white/10 dark:text-gray-300"
 							>
-								S
+								.
 							</div>
 						</div>
 					</div>

src/routes/(app)/+layout.svelte

@@ -160,8 +160,8 @@
 					document.getElementById('delete-chat-button')?.click();
 				}
 
-				// Check if Ctrl + S is pressed
-				if (isCtrlPressed && event.key.toLowerCase() === 's') {
+				// Check if Ctrl + . is pressed
+				if (isCtrlPressed && event.key === '.') {
 					event.preventDefault();
 					console.log('openSettings');
 					document.getElementById('open-settings-button')?.click();