Feat(revit): CNX-470 add support for layer render materials

[oguzhankoral]

Sent from rhino as meshes -> https://latest.speckle.systems/projects/126cd4b7bb/models/f3b0250890
It doesn't work with Breps, because on converter we don't know the relationship between parent and its list of displayValues.

[linear]

CNX-470 Add support for layer render materials

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 2 lines in your changes missing coverage. Please review.

Project coverage is 7.95%. Comparing base (81f35f6) to head (90834bd).
Report is 6 commits behind head on revit-receive.

Files with missing lines	Patch %	Lines
...RevitShared/Helpers/RevitMaterialCacheSingleton.cs	0.00%	1 Missing ⚠️
...tShared/ToHost/Raw/Geometry/MeshConverterToHost.cs	0.00%	1 Missing ⚠️

Additional details and impacted files

@@               Coverage Diff                @@
##           revit-receive    #243      +/-   ##
================================================
- Coverage           7.97%   7.95%   -0.03%     
================================================
  Files                233     233              
  Lines               4325    4337      +12     
  Branches             492     498       +6     
================================================
  Hits                 345     345              
- Misses              3965    3977      +12     
  Partials              15      15              

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