수정: 우측 레일 Teleport 라우트 전환 안정화

frontend/src/App.vue

@@ -659,8 +659,12 @@ function reloadApp() {
         </div>
         <div class="rightRail__body">
           <div class="rightRail__content">
-            <div v-if="usesLocalRightRail" id="local-right-rail-root" class="localRightRailRoot"></div>
-            <template v-else>
+            <div
+              id="local-right-rail-root"
+              class="localRightRailRoot"
+              :class="{ 'localRightRailRoot--hidden': !usesLocalRightRail }"
+            ></div>
+            <template v-if="!usesLocalRightRail">
               <section v-if="showSettingsThemePanel" class="settingsThemePanel">
                 <div class="settingsThemePanel__eyebrow">Appearance</div>
                 <div class="settingsThemePanel__title">테마 설정</div>
@@ -1780,6 +1784,10 @@ function reloadApp() {
   gap: 14px;
 }
 
+.localRightRailRoot--hidden {
+  display: none;
+}
+
 .toastStack {
   position: fixed;
   top: 18px;