Add confirmation for logout

src/components/mobile_nav/mobile_nav.vue

@@ -88,6 +88,16 @@
       ref="sideDrawer"
       :logout="logout"
     />
+    <confirm-modal
+      :showing="showingConfirmLogout"
+      :title="$t('login.mute_confirm_title')"
+      :confirm-text="$t('login.logout_confirm_accept_button')"
+      :cancel-text="$t('login.logout_confirm_cancel_button')"
+      @accepted="doLogout"
+      @cancelled="hideConfirmLogout"
+    >
+      {{ $t('login.logout_confirm') }}
+    </confirm-modal>
   </div>
 </template>
 
@@ -235,6 +245,14 @@
       }
     }
   }
+  .confirm-modal.dark-overlay {
+    &::before {
+      z-index: 3000;
+    }
+    .dialog-modal.panel {
+      z-index: 3001;
+    }
+  }
 }
 
 </style>