feat(footer): align footer segment items vertically centered

src/features/footer/components/Footer.vue

@@ -54,6 +54,7 @@ const copyrightPeriod =
 .footer-segment {
     display: flex;
     justify-content: center;
+    align-items: center;
     gap: 32px;
     padding: var(--padding-y);
     background-color: var(--light-bg);

src/features/sidebar/components/Sidebar.vue

@@ -36,7 +36,7 @@ const toggleSidebar = function toggleSidebar () {
         <div class="sidebar-controls">
             <SidebarExpandButton @click="toggleSidebar" class="sidebar-expand-button" />
         </div>
-        <div class="sidebar-content" v-show="props.expanded">
+        <div class="sidebar-content" v-if="props.expanded">
             <slot />
         </div>
     </nav>