Implement EDITS-MCE runs and LED experiments

[r-aneeque]

Run EDITS-MCE demands provided by Tao on 2025-10-07 that contains pdt by modes for all modes rather than LDV only
Additionally, experiment with different LED settings for EDITS presentation.

How to review

TBA

PR checklist

- [ ] Continuous integration checks all ✅ Will not be merged.
- [ ] Add or expand tests; coverage checks both ✅
- [ ] Add, expand, or update documentation.
- [ ] Update doc/whatsnew.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 74.7%. Comparing base (c454768) to head (4afceea).
⚠️ Report is 58 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##            main    #436     +/-   ##
=======================================
- Coverage   75.3%   74.7%   -0.7%     
=======================================
  Files        270     270             
  Lines      22329   22329             
=======================================
- Hits       16834   16686    -148     
- Misses      5495    5643    +148     

Files with missing lines	Coverage Δ
message_ix_models/model/transport/workflow.py	84.5% <ø> (ø)

... and 7 files with indirect coverage changes

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[khaeru]

Per discussion on Slack, some of these changes are incorporated via a commit on #430, and we close without merging.