Update date parameters and simplify broadcast call

app/jobs/scrape_toggl_job.rb

@@ -20,8 +20,8 @@ class ScrapeTogglJob < ApplicationJob
       toggl_project_id,
 
       # TODO: Work out better limits
-      start_time: Time.new('2023-01-01'),
-      end_time: Time.new('2024-01-01')
+      start_time: course.semester_start_date - 2.months,
+      end_time: course.semester_start_date + 15.weeks + 2.months,
     )
 
     puts("Entries data for #{course.title}: #{entries_data}")
@@ -88,7 +88,7 @@ class ScrapeTogglJob < ApplicationJob
           associated_toggl_entry_id: entry['time_entries'][0]['id'],
         )
 
-        broadcast_update_to lecture, :status
+        lecture.broadcast_update
       elsif (lecture_title_match = entry_title.match(review_regex)) and (lecture = lectures.find_by(title: lecture_title_match[1]))
         lecture.tracked_time_entries.create!(
           kind: :review,
@@ -96,7 +96,7 @@ class ScrapeTogglJob < ApplicationJob
           associated_toggl_entry_id: entry['time_entries'][0]['id'],
         )
 
-        broadcast_update_to lecture, :status
+        lecture.broadcast_update
       end
     end
   end