Simplify simulation arguments to run models

[oyvindeide]

The intention here is to reduce the statefullness of the run models, by reducing the use of simulation arguments as holders of state, and internalizing state on the run models instead. Also to simplify the simulation arguments by removing a lot of unneeded properties.

This results in a breaking change for the cli, which aligns it with the GUI in terms of naming the ensembles in ensemble smoother.

Closes #7633

• PR title captures the intent of the changes, and is fitting for release notes.
• Added appropriate release note label
• Commit history is consistent and clean, in line with the contribution guidelines.
• Make sure tests pass locally (after every commit!)

When applicable

• When there are user facing changes: Updated documentation
• New behavior or changes to existing untested code: Ensured that unit tests are added (See Ground Rules).
• Large PR: Prepare changes in small commits for more convenient review
• Bug fix: Add regression test for the bug
• Bug fix: Create Backport PR to latest release

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 91.07143% with 5 lines in your changes missing coverage. Please review.

Project coverage is 86.56%. Comparing base (f29176b) to head (e238e0d).

Files	Patch %	Lines
src/ert/run_models/multiple_data_assimilation.py	81.25%	3 Missing ⚠️
src/ert/cli/main.py	0.00%	1 Missing ⚠️
src/ert/storage/local_storage.py	66.66%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #8140      +/-   ##
==========================================
- Coverage   86.62%   86.56%   -0.06%     
==========================================
  Files         384      384              
  Lines       23831    23773      -58     
  Branches      618      627       +9     
==========================================
- Hits        20644    20580      -64     
- Misses       3107     3112       +5     
- Partials       80       81       +1     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[oyvindeide]

Semeio failure is expected, fix here: equinor/semeio#624

[dafeda]

Nice