Agree on 'Add' for add buttons and icon for refresh buttons

dashboard/src/views/UsersView.vue

@@ -228,12 +228,12 @@ onMounted(async () => {
 
     <Section :title="$t('main.navbar.users')">
       <template #header-title-extra>
-        <span style="font-weight: normal; font-size: 14px">({{ users.length }})</span>
+        <span style="font-weight: normal; font-size: 14px">({{ busy ? '-' : users.length }})</span>
       </template>
       <template #header-buttons>
         <TextInput v-model="search" placeholder="Search ..." />
         <SingleSelect :options="filterOptions" option-key="id" option-label="name" v-model="filter" />
-        <Button icon="fa-solid fa-user-plus" @click="onEditOrAddUser()">{{ $t('users.newUserAction') }}</Button>
+        <Button @click="onEditOrAddUser()">{{ $t('main.action.add') }}</Button>
       </template>
 
       <TableView :columns="usersColumns" :model="filteredUsers" :busy="busy" style="max-height: 400px;">