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/add-aliases-bulk.ts

@@ -1,7 +1,8 @@
 import define from '../../../define.js';
 import { Emojis } from '@/models/index.js';
-import { getConnection, In } from 'typeorm';
+import { In } from 'typeorm';
 import { ApiError } from '../../../error.js';
+import { db } from '@/db/postgre.js';
 
 export const meta = {
 	tags: ['admin'],
@@ -25,7 +26,7 @@ export const paramDef = {
 
 // eslint-disable-next-line import/no-default-export
 export default define(meta, paramDef, async (ps) => {
-	const emojis = await Emojis.find({
+	const emojis = await Emojis.findBy({
 		id: In(ps.ids),
 	});
 
@@ -36,5 +37,5 @@ export default define(meta, paramDef, async (ps) => {
 		});
 	}
 
-	await getConnection().queryResultCache!.remove(['meta_emojis']);
+	await db.queryResultCache!.remove(['meta_emojis']);
 });