Fix sidebar collapse functionality across all layouts

- Change from :mini-variant to :rail for Vue 3/Vuetify 3 compatibility
- Fix width prop to use numbers instead of strings
- Add missing loading ref in board members page
- Ensure consistent collapse behavior across admin, member, and board layouts

layouts/admin.vue

@@ -3,8 +3,8 @@
     <v-navigation-drawer 
       v-model="drawer" 
       app 
-      :width="miniVariant ? '64' : '280'" 
-      :mini-variant="miniVariant"
+      :width="miniVariant ? 64 : 280" 
+      :rail="miniVariant"
       class="enhanced-glass-drawer"
     >
       <!-- Enhanced Logo Section -->
@@ -32,13 +32,22 @@
       <!-- Enhanced Navigation Menu -->
       <v-list nav density="comfortable" class="enhanced-glass-nav">
         <!-- Admin Overview -->
+        <v-tooltip 
+          :text="miniVariant ? 'Admin Dashboard' : ''"
+          location="end"
+          :disabled="!miniVariant"
+        >
+          <template v-slot:activator="{ props }">
             <v-list-item 
+              v-bind="props"
               to="/admin/dashboard" 
               prepend-icon="mdi-view-dashboard"
-          title="Admin Dashboard"
+              :title="!miniVariant ? 'Admin Dashboard' : undefined"
               value="dashboard"
               class="glass-nav-item animated-nav-item"
             />
+          </template>
+        </v-tooltip>
 
         <!-- User Management -->
         <v-list-group value="users">

layouts/board.vue

@@ -3,8 +3,8 @@
     <v-navigation-drawer 
       v-model="drawer" 
       app 
-      :width="miniVariant ? '64' : '280'" 
-      :mini-variant="miniVariant"
+      :width="miniVariant ? 64 : 280" 
+      :rail="miniVariant"
       class="enhanced-glass-drawer"
     >
       <!-- Enhanced Logo Section -->
@@ -32,13 +32,22 @@
       <!-- Enhanced Navigation Menu -->
       <v-list nav density="comfortable" class="enhanced-glass-nav">
         <!-- Board Overview -->
+        <v-tooltip 
+          :text="miniVariant ? 'Board Dashboard' : ''"
+          location="end"
+          :disabled="!miniVariant"
+        >
+          <template v-slot:activator="{ props }">
             <v-list-item 
+              v-bind="props"
               to="/board/dashboard" 
               prepend-icon="mdi-view-dashboard"
-          title="Board Dashboard"
+              :title="!miniVariant ? 'Board Dashboard' : undefined"
               value="dashboard"
               class="glass-nav-item animated-nav-item"
             />
+          </template>
+        </v-tooltip>
 
         <!-- Member Management -->
         <v-list-group value="members">

layouts/member.vue

@@ -3,8 +3,8 @@
     <v-navigation-drawer 
       v-model="drawer" 
       app 
-      :width="miniVariant ? '64' : '280'"
-      :mini-variant="miniVariant"
+      :width="miniVariant ? 64 : 280"
+      :rail="miniVariant"
       class="enhanced-glass-drawer"
     >
       <!-- Logo Section with Enhanced Glass Effect -->