Fix bug: Custom icons not used for router links

src/lib-components/KeycloakDashboardSidebar.vue

@@ -50,7 +50,8 @@
             :to="{ name: e.name }"
             active-class="active"
           >
-            <i class="bi bi-file-earmark feather"></i>
+            <i v-if="e.icon" class="bi feather" :class="'bi-' + e.icon"></i>
+            <i v-else class="bi bi-file-earmark feather"></i>
             {{ e.text }}
           </router-link>
         </li>