refactor: migrate to typeorm 3.0 (#8443)

* wip

* wip

* wip

* Update following.ts

* wip

* wip

* wip

* Update resolve-user.ts

* maxQueryExecutionTime

* wip

* wip

packages/backend/src/server/api/endpoints/admin/emoji/delete-bulk.ts

@@ -1,8 +1,9 @@
 import define from '../../../define.js';
 import { Emojis } from '@/models/index.js';
-import { getConnection, In } from 'typeorm';
+import { In } from 'typeorm';
 import { insertModerationLog } from '@/services/insert-moderation-log.js';
 import { ApiError } from '../../../error.js';
+import { db } from '@/db/postgre.js';
 
 export const meta = {
 	tags: ['admin'],
@@ -23,14 +24,14 @@ export const paramDef = {
 
 // eslint-disable-next-line import/no-default-export
 export default define(meta, paramDef, async (ps, me) => {
-	const emojis = await Emojis.find({
+	const emojis = await Emojis.findBy({
 		id: In(ps.ids),
 	});
 
 	for (const emoji of emojis) {
 		await Emojis.delete(emoji.id);
 	
-		await getConnection().queryResultCache!.remove(['meta_emojis']);
+		await db.queryResultCache!.remove(['meta_emojis']);
 	
 		insertModerationLog(me, 'deleteEmoji', {
 			emoji: emoji,