fix: clean up docstore when generating embedding fail (#1588)

.changeset/proud-zoos-compare.md

packages/llamaindex/src/indices/vectorStore/index.ts

...llamaindex/src/ingestion/strategies/DuplicatesStrategy.ts

...ndex/src/ingestion/strategies/UpsertsAndDeleteStrategy.ts

...es/llamaindex/src/ingestion/strategies/UpsertsStrategy.ts

packages/llamaindex/src/ingestion/strategies/index.ts

packages/llamaindex/src/ingestion/strategies/rollback.ts