♻️ webserver: fixes mypy issues in meta_modeling plugin

[pcrespov]

What do these changes do?

• fixes mypy issues in webserver's meta_modeling plugin
• moves plugin to folder meta_modeling
  • shortens names of plugin modules
  • protected-prefix (_) for internal modules (i.e. cannot be imported outside the plugin)
• reviews notes in code and creates Maintenance: webserver meta_modeling fixes and todos #4124

Related issue/s

• related to Maintenance: make mypy pass in all services/packages in repo #4071

[codecov]

Codecov Report

Merging #4113 (2a1ebda) into master (fe45616) will decrease coverage by 8.7%.
The diff coverage is 96.2%.

@@            Coverage Diff            @@
##           master   #4113      +/-   ##
=========================================
- Coverage    86.7%   78.1%    -8.7%     
=========================================
  Files         799     398     -401     
  Lines       37352   20631   -16721     
  Branches      879     174     -705     
=========================================
- Hits        32391   16115   -16276     
+ Misses       4758    4467     -291     
+ Partials      203      49     -154     

Flag	Coverage Δ
integrationtests	61.6% <85.1%> (-5.0%)	⬇️
unittests	84.0% <96.2%> (+0.8%)	⬆️

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

Impacted Files	Coverage Δ
...ervice_webserver/meta_modeling/_version_control.py	83.0% <80.0%> (ø)
...erver/src/simcore_service_webserver/application.py	97.8% <100.0%> (ø)
...service_webserver/meta_modeling/_function_nodes.py	66.6% <100.0%> (ø)
...ore_service_webserver/meta_modeling/_iterations.py	87.9% <100.0%> (ø)
...mcore_service_webserver/meta_modeling/_projects.py	64.1% <100.0%> (ø)
..._service_webserver/meta_modeling/_rest_handlers.py	84.2% <100.0%> (ø)
...imcore_service_webserver/meta_modeling/_results.py	91.1% <100.0%> (ø)
.../simcore_service_webserver/meta_modeling/plugin.py	100.0% <100.0%> (ø)

... and 509 files with indirect coverage changes

[codeclimate]

Code Climate has analyzed commit 2a1ebda and detected 0 issues on this pull request.

View more on Code Climate.

[sonarqubecloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
2 Code Smells

No Coverage information
0.0% Duplication