fix(semester-scope): meeting date scoped with DateTime caused day overlap

So a scope with DateTime 2019-12-01T00:00:00.0000Z turned out to match
hour meeting date 2019-11-30. Converting that DateTime to date solved the problem.
3 jobs for fix/semester-filter-billing-expenses in 8 minutes and 10 seconds (queued for 24 seconds)
Status Job ID Name Coverage
  Test
passed #545837
lint

00:03:57

canceled #545839
system

00:08:09

canceled #545838
test

00:08:03