merge: Change the recent external url warning popup to the one from Cherrypick/MisskeyIO (!648)

View MR for information: https://activitypub.software/TransFem-org/Sharkey/-/merge_requests/648

Approved-by: dakkar <dakkar@thenautilus.net>
Approved-by: Hazelnoot <acomputerdog@gmail.com>

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

@@ -526,6 +526,14 @@ export const meta = {
 				type: 'string',
 				optional: false, nullable: true,
 			},
+			trustedLinkUrlPatterns: {
+				type: 'array',
+				optional: false, nullable: false,
+				items: {
+					type: 'string',
+					optional: false, nullable: false,
+				},
+			},
 		},
 	},
 } as const;
@@ -669,6 +677,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 				urlPreviewRequireContentLength: instance.urlPreviewRequireContentLength,
 				urlPreviewUserAgent: instance.urlPreviewUserAgent,
 				urlPreviewSummaryProxyUrl: instance.urlPreviewSummaryProxyUrl,
+				trustedLinkUrlPatterns: instance.trustedLinkUrlPatterns,
 			};
 		});
 	}