fix: llamacloud sdk edge case (#985)

.changeset/tame-otters-heal.md

examples/README.md

examples/astradb/README.md

examples/chromadb/README.md

examples/cloud/README.md

examples/cloud/chat.ts

examples/cloud/from-documents.ts

examples/milvus/README.md

examples/mongodb/README.md

examples/package.json

examples/pg-vector-store/README.md

examples/pinecone-vector-store/README.md

examples/qdrantdb/README.md

packages/llamaindex/src/cloud/LlamaCloudIndex.ts

packages/llamaindex/src/cloud/LlamaCloudRetriever.ts

packages/llamaindex/src/cloud/constants.ts

pnpm-lock.yaml