Documents pane may not refresh the UI when a document was deleted

build:build-1395
steps:
1.created cluster with some nodes and replica=2, create default bucket( for instance)
2. on page /index.html#sec=documents&bucketName=default create 1 doc
3. on the same page click Delete (for the previously created doc)
result: page is reloaded but still contains the doc

observation: page hangs when click on Edit Document and then gives error: SyntaxError: Unexpected token u (Document is invalid JSON)