Paging 3 for calendar and movies search

[UweTrottmann]

• [x] Wait for 3.1.0 release to use onPagesUpdated flow for empty view display.
• [x] Migrate Calendar paging to Kotlin Flow.
• [x] Convert MoviesWatchedViewModel.

[github-actions[bot]]

Unit Test Results

  7 files  ±0    7 suites  ±0   9s :stopwatch: -1s 17 tests ±0  17 :heavy_check_mark: ±0  0 :zzz: ±0  0 :x: ±0 

Results for commit a56bf6a0. ± Comparison against base commit cb38f7f2.

:recycle: This comment has been updated with latest results.

[UweTrottmann]

Already merged popular shows pager changes.