open links in abuse comment in new window (#13381)

* feat: changing MkA behavior from MkMFM

* chore: open links in abuse comment in new window

* docs(changelog): 通報のコメント内のリンクをクリックした際、ウィンドウで開くように

* chore: use inject instead of prop drilling

* Revert "chore: use inject instead of prop drilling"

This reverts commit b4dd14eacf.

packages/frontend/src/components/MkAbuseReport.vue

@@ -20,7 +20,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 	</div>
 	<div class="detail">
 		<div>
-			<Mfm :text="report.comment"/>
+			<Mfm :text="report.comment" :linkBehavior="'window'"/>
 		</div>
 		<hr/>
 		<div>{{ i18n.ts.reporter }}: <MkA :to="`/admin/user/${report.reporter.id}`" class="_link" :behavior="'window'">@{{ report.reporter.username }}</MkA></div>