fix(frontend): リモートのユーザーにロールを設定できるように (MisskeyIO#241)

packages/frontend/src/pages/admin-user.vue

@@ -134,7 +134,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 			</div>
 
 			<div v-else-if="tab === 'roles'" class="_gaps">
-				<MkButton v-if="user.host == null" primary rounded @click="assignRole"><i class="ti ti-plus"></i> {{ i18n.ts.assign }}</MkButton>
+				<MkButton primary rounded @click="assignRole"><i class="ti ti-plus"></i> {{ i18n.ts.assign }}</MkButton>
 
 				<div v-for="role in info.roles" :key="role.id" :class="$style.roleItem">
 					<div :class="$style.roleItemMain">