show progressbar only on progress_rank 0 on ddp_slurm

[cool425589]

What does this PR do?

#4364
When submit the SLURM job with accelerator=ddp setting, It will show progressbar on all progress_rank except progress_rank 0. For now show progressbar only on progress_rank 0

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[codecov]

Codecov Report

Merging #4437 into master will decrease coverage by 0%.
The diff coverage is n/a.

@@          Coverage Diff           @@
##           master   #4437   +/-   ##
======================================
- Coverage      93%     93%   -0%     
======================================
  Files         116     116           
  Lines        8815    8815           
======================================
- Hits         8228    8217   -11     
- Misses        587     598   +11     

[tchaton]

Great catch ! Thanks for your contributions.