Develop updated Canvas-related tests

[JPMeehan]

Foundry VTT Version

11.315

Related Poblem

In the updates from v9 to v11, many features of the Canvas have changed

Desired Solution

New tests should ensure the full inheritance path is handled correctly, especially with the increased usage of Mixins by Foundry Staff that complicate the properties of our end classes in ways that won't be obvious by broken overrides.

Alternative

No response

Additional Context

No response

[JPMeehan]

Did a ton here but still some stuff waiting on updated data models

[JPMeehan]

Handled in #2541