[CHORE] enable refresh on tqdm total updates

[samster25]

• We currently were only using a background thread when updating the done tasks. Now we also check if new tasks are enqueued to perform a refresh.

[codecov]

Codecov Report

Merging #1654 (2b9c67c) into main (ea19d28) will increase coverage by 0.05%.
Report is 2 commits behind head on main.
The diff coverage is 83.33%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1654      +/-   ##
==========================================
+ Coverage   84.88%   84.94%   +0.05%     
==========================================
  Files          55       55              
  Lines        5287     5293       +6     
==========================================
+ Hits         4488     4496       +8     
+ Misses        799      797       -2     

Files	Coverage Δ
daft/runners/progress_bar.py	80.85% <83.33%> (+0.36%)	⬆️

... and 1 file with indirect coverage changes