Cherry Pick: Render precision save (#9108)

[scottmitchell]

• ALS-5190 Dynamo: Render Precision setting is not remembered

• Set correct path to ProtoGeometry lib

• Return comment removed by accident

• Add missing line

• Add new interface

• Copy Background Preview test

• Creating RenderPrecision test

• Updated RenderPrecision test

• Removed inheritance I was testing

• Added RenderPackageFactoryViewModel constructor

• Updated constructor

• Add TODO

• Add test that loads settings file that does not contain RenderPrecision

• Added const fro DefaultRenderPrecision

• Added jira task

Purpose

2.2.0 Cherry pick of #9108

Declarations

Check these if you believe they are true

• The code base is in a better state after this PR
• Is documented according to the standards
• The level of testing this PR includes is appropriate
• User facing strings, if any, are extracted into *.resx files
• All tests pass using the self-service CI.
• Snapshot of UI changes, if any.
• Changes to the API follow Semantic Versioning, and are documented in the API Changes document.

[mjkkirschner]

LGTM