Populate missing display data for remotely expanded transforms.

[robertwb]

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[robertwb]

R: @chamikaramj

[codecov]

Codecov Report

Merging #19267 (93002d6) into master (f24cedf) will increase coverage by 0.00%.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master   #19267   +/-   ##
=======================================
  Coverage   74.07%   74.07%           
=======================================
  Files         697      697           
  Lines       91927    91927           
=======================================
+ Hits        68092    68093    +1     
+ Misses      22590    22589    -1     
  Partials     1245     1245           

Flag	Coverage Δ
python	83.73% <ø> (+<0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
sdks/python/apache_beam/transforms/external.py	79.84% <ø> (ø)
sdks/python/apache_beam/internal/dill_pickler.py	84.89% <0.00%> (-1.44%)	⬇️
...eam/runners/portability/fn_api_runner/execution.py	92.44% <0.00%> (-0.65%)	⬇️
sdks/python/apache_beam/transforms/core.py	92.14% <0.00%> (-0.16%)	⬇️
sdks/python/apache_beam/coders/coders.py	88.22% <0.00%> (-0.13%)	⬇️
sdks/python/apache_beam/ml/inference/pytorch.py
...thon/apache_beam/ml/inference/pytorch_inference.py	0.00% <0.00%> (ø)
...ks/python/apache_beam/runners/worker/sdk_worker.py	89.09% <0.00%> (+0.15%)	⬆️
...hon/apache_beam/runners/worker/bundle_processor.py	93.54% <0.00%> (+0.24%)	⬆️
sdks/python/apache_beam/runners/direct/executor.py	97.01% <0.00%> (+0.54%)	⬆️
... and 3 more

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[robertwb]

Unrelated failure in apache_beam.runners.portability.fn_api_runner.fn_runner_test.FnApiRunnerTestWithGrpcAndMultiWorkers.test_batch_pardo_trigger_flush

[robertwb]

Run Python PreCommit

[chamikaramj]

LGTM. Thanks.