fixup! refactor!: hoist bufferChainSyncEvent to projection package

Author: AngelCastilloB

packages/projection-typeorm/test/operators/storeHandles/general.test.ts

@@ -1,7 +1,7 @@
 import { Asset, Cardano } from '@cardano-sdk/core';
 import { AssetEntity, HandleEntity, OutputEntity, willStoreHandles } from '../../../src';
 import { HandleOwnership } from '@cardano-sdk/projection/dist/cjs/operators/Mappers';
-import { ChainSyncEventType } from '@cardano-sdk/projection/dist/cjs/ObservableCardanoNode';
+import { ChainSyncEventType } from '@cardano-sdk/projection';
 import { ProjectorContext, createProjectorContext } from '../util';
 import { QueryRunner } from 'typeorm';
 import { createMultiTxProjectionSource, entities, mapAndStore, policyId, projectTilFirst } from './util';