sort polled data by day in separate files AG-14815

add COLLECTION_FILE_EXTENSION

remove unused util

use lodash for array intersection

use Promise.all for writing poll to collection

updatee action for stats

use Promise.all for events reading

redo reading events from file(s)

set dedupe beforer removing old files

redo polling to save events as date related files

fix identical defaults for action inputs AG-13972

fix identical defaults for action inputs

implement UNTIL search param AG-13972

add comment to fs-util callback

improve stats structure and naming