improvement(container-runtime): Improvements to minVersionForColab features

[scottn12]

Description

This PR is a follow-up to outstanding requests/improvements for newly introduced features related to minVersionForCollab.

This PR updates:

• Test names to clarify scenarios
• ConfigMap type to simplify logic in determining default configurations. The new structure of runtimeOptionsAffectingDocSchemaConfigMap aligns with the structure of runtimeOptionsAffectingDocSchemaConfigValidationMap.

See the following PRs for additional context: https://github.com/microsoft/FluidFramework/pull/24625, https://github.com/microsoft/FluidFramework/pull/24379