feat: refine map control group states

src/server/page-template.ts

@@ -27,7 +27,7 @@ ${APP_STYLES}
           </svg>
         </span>
       </button>
-      <button class="secondary route-toggle" id="route-toggle" type="button" aria-label="Hide route line">
+      <button class="secondary route-toggle" id="route-toggle" type="button" aria-label="Hide route line" aria-pressed="true">
         <span class="button-icon" id="route-toggle-icon" aria-hidden="true">
           <svg viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg">
             <path d="M3 11.5 6.2 8.2c.4-.4 1-.5 1.5-.2l1.1.7c.5.3 1.1.2 1.5-.2L13 5.8" stroke="currentColor" stroke-width="1.6" stroke-linecap="round" stroke-linejoin="round"/>