only show tools toggle if overflow present

src/lib/components/chat/MessageInput/InputMenu.svelte

@@ -142,6 +142,7 @@
 						</button>
 					{/each}
 				</div>
+					{#if Object.keys(tools).length > 3}
 					<button
 						class="flex w-full justify-center items-center text-sm font-medium cursor-pointer rounded-lg hover:bg-gray-50 dark:hover:bg-gray-800"
 						on:click={() => {
@@ -161,6 +162,7 @@
 							></path>
 						</svg>
 					</button>
+					{/if}
 				<hr class="border-black/5 dark:border-white/5 my-1" />
 			{/if}