Small fixes from local branch

[JackUrb]

Collection of small bugfixes and convenience updates that I had in a local branch.

[codecov-commenter]

Codecov Report

Patch coverage: 78.94% and project coverage change: -0.08% ⚠️

Comparison is base (72e1deb) 60.42% compared to head (1ea3da9) 60.35%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1054      +/-   ##
==========================================
- Coverage   60.42%   60.35%   -0.08%     
==========================================
  Files         155      155              
  Lines       11813    11822       +9     
==========================================
- Hits         7138     7135       -3     
- Misses       4675     4687      +12     

Files Changed	Coverage Δ
...ephisto/abstractions/architects/ec2/ec2_helpers.py	17.49% <0.00%> (ø)
mephisto/operations/worker_pool.py	80.12% <50.00%> (-0.20%)	⬇️
mephisto/operations/operator.py	70.52% <85.71%> (+0.59%)	⬆️
...nts/remote_procedure/remote_procedure_blueprint.py	43.87% <100.00%> (+0.57%)	⬆️
mephisto/data_model/agent.py	75.71% <100.00%> (ø)

... and 1 file with indirect coverage changes

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