Revert "revert: note editing"

This reverts commit b4032988

packages/frontend/src/components/MkNoteHeader.vue

@@ -14,6 +14,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 		<img v-for="role in note.user.badgeRoles" :key="role.id" v-tooltip="role.name" :class="$style.badgeRole" :src="role.iconUrl"/>
 	</div>
 	<div :class="$style.info">
+		<span v-if="note.updatedAt" style="margin-right: 0.5em;" :title="i18n.ts.edited"><i class="ti ti-pencil"></i></span>
 		<MkA :to="notePage(note)">
 			<MkTime :time="note.createdAt"/>
 		</MkA>