Stride: [Graphics] Template games don't render

[Eideren]

Release Type: Github

Version: Latest as of writing

Platform(s): Most likely all of them

Describe the bug
The game doesn't render, a warning related to camera slot is reported to the console.

To Reproduce
Steps to reproduce the behavior:

1. Build template
2. Play template
3. Observe the console warning and black screen

Expected behavior
Renders as it did before.

Additional context
This issue is most likely related to #805 could you take a look @azeno ?

[azeno]

Argh sorry will have a look.

[Eideren]

Thanks azeno !
This issue should be fixed through #826 , feel free to reopen if it isn't