feat: media silence (#13842)

* feat: media silence

* fix: lint

* feat: deny creating custom emoji reaction and using custom emoji from media silenced hosts

* chore: メディアサイレンスの説明にカスタム絵文字の話を追加

* Update locales/ja-JP.yml

Co-authored-by: Sayamame-beans <61457993+Sayamame-beans@users.noreply.github.com>

* chore: update index.d.ts

* docs(changelog): update changelog

---------

Co-authored-by: Sayamame-beans <61457993+Sayamame-beans@users.noreply.github.com>

packages/backend/src/server/api/endpoints/admin/update-meta.ts

@@ -150,6 +150,13 @@ export const paramDef = {
 				type: 'string',
 			},
 		},
+		mediaSilencedHosts: {
+			type: 'array',
+			nullable: true,
+			items: {
+				type: 'string',
+			},
+		},
 		summalyProxy: {
 			type: 'string', nullable: true,
 			description: '[Deprecated] Use "urlPreviewSummaryProxyUrl" instead.',
@@ -203,6 +210,14 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 					return h !== '' && h !== lv && !set.blockedHosts?.includes(h);
 				});
 			}
+			if (Array.isArray(ps.mediaSilencedHosts)) {
+				let lastValue = '';
+				set.mediaSilencedHosts = ps.mediaSilencedHosts.sort().filter((h) => {
+					const lv = lastValue;
+					lastValue = h;
+					return h !== '' && h !== lv && !set.blockedHosts?.includes(h);
+				});
+			}
 			if (ps.themeColor !== undefined) {
 				set.themeColor = ps.themeColor;
 			}