[Metrics UI] Replace date_histogram with date_range aggregation in threshold alert#100004

Merged

Zacqary merged 3 commits intoelastic:masterfrom Zacqary:sdh-1523-threshold-doccount-fix

May 14, 2021

+40-19

Commits on May 12, 2021

Commits on May 13, 2021

Fix rate aggregation and offset
Zacqary
committed