Added customizable delay before displaying progress bar

[MSebanc]

I have read and agree to the CLA of the Kuzu repository.

[codecov]

Codecov Report

Attention: Patch coverage is 96.42857% with 1 lines in your changes are missing coverage. Please review.

Project coverage is 91.90%. Comparing base (d4b261b) to head (8877036).
Report is 1 commits behind head on master.

Files	Patch %	Lines
src/common/task_system/progress_bar.cpp	94.44%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #3092      +/-   ##
==========================================
- Coverage   91.91%   91.90%   -0.02%     
==========================================
  Files        1169     1169              
  Lines       43736    43759      +23     
==========================================
+ Hits        40202    40217      +15     
- Misses       3534     3542       +8     

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