Ensure init cleanup updates client collection list.
Ensure init cleanup updates client collection list.

Made cleanup_collections use get_collection_names and UseResId.

lnickers2004/mongo-web-shell,pilliq/mongo-web-shell,lnickers2004/mongo-web-shell,mongodb-labs/mongo-web-shell,ecbtln/mongo-web-shell,10gen-labs/mongo-web-shell,10gen-labs/mongo-web-shell,pilliq/mongo-web-shell,ecbtln/mongo-web-shell,lnickers2004/mongo-web-shell,lnickers2004/mongo-web-shell,10gen-labs/mongo-web-shell,ecbtln/mongo-web-shell,mongodb-labs/mongo-web-shell,mongodb-labs/mongo-web-shell,pilliq/mongo-web-shell