fix(core): Remove typeorm patches, but still enforce transactions on every migration (#6594)

* revert(core): Remove typeorm patches, but still enforce transactions on every migration

This reverts #6519

* always re-enable foreign keys, and explicitly rollback transaction

patches/typeorm@0.3.12.patch

@@ -1,31 +0,0 @@
-diff --git a/migration/MigrationExecutor.js b/migration/MigrationExecutor.js
-index 5d37b9cf9ca2505242f05160f05ff683e00c1e5d..4a768819f86b8f176bd3b826a649afe54ab39598 100644
---- a/migration/MigrationExecutor.js
-+++ b/migration/MigrationExecutor.js
-@@ -216,15 +216,17 @@ class MigrationExecutor {
-                     // nothing else needs to be done, continue to next migration
-                     continue;
-                 }
-+                await queryRunner.beforeMigration();
-                 if (migration.transaction && !queryRunner.isTransactionActive) {
-                     await queryRunner.startTransaction();
-                     transactionStartedByUs = true;
-                 }
-                 await migration
-                     .instance.up(queryRunner)
--                    .catch((error) => {
-+                    .catch(async (error) => {
-                     // informative log about migration failure
-                     this.connection.logger.logMigration(`Migration "${migration.name}" failed, error: ${error === null || error === void 0 ? void 0 : error.message}`);
-+                    await queryRunner.afterMigration(queryRunner);
-                     throw error;
-                 })
-                     .then(async () => {
-@@ -233,6 +235,7 @@ class MigrationExecutor {
-                     // commit transaction if we started it
-                     if (migration.transaction && transactionStartedByUs)
-                         await queryRunner.commitTransaction();
-+                    await queryRunner.afterMigration(queryRunner);
-                 })
-                     .then(() => {
-                     // informative log about migration success