fix. gnb 하이드레이션 수정

layers/components/layouts/Header.vue

@@ -280,7 +280,6 @@ onMounted(() => {
                   class="nav-item"
                   :class="{
                     'is-hidden':
-                      isMounted &&
                       overflowNam > 0 &&
                       Number(key) >=
                         Object.keys(gnbData?.menus).length - overflowNam,
@@ -332,7 +331,7 @@ onMounted(() => {
                   </Transition>
                 </div>
               </div>
-              <div v-if="isMounted && overflowNam > 0" class="more">
+              <div v-if="overflowNam > 0" class="more">
                 <button class="btn-more">
                   <AtomsIconsOptionHorizontalFill class="mx-auto" />
                   <span class="sr-only">more</span>
@@ -379,12 +378,15 @@ onMounted(() => {
                 </div>
               </div>
             </template>
+            <ClientOnly>
               <div v-if="gameData?.event_banner" class="event">
                 <div class="nav-item">
                   <AtomsLocaleLink
                     :to="gameData?.event_banner?.page_url"
                     :target="
-                    gameData?.event_banner?.link_type === 1 ? '_self' : '_blank'
+                      gameData?.event_banner?.link_type === 1
+                        ? '_self'
+                        : '_blank'
                     "
                     class="nav-1depth text-gradient-pink"
                     @click="handleMenuClose"
@@ -396,6 +398,7 @@ onMounted(() => {
                   </AtomsLocaleLink>
                 </div>
               </div>
+            </ClientOnly>
           </nav>
           <ClientOnly>
             <div ref="startRef" class="btn-start">