Fix camera position setting

[IgorTatarnikov]

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Description

What is this PR

• Bug fix
• Addition of a new feature
• Other

Why is this PR needed?
The camera position was not set properly when passing a custom camera dict to scene.render.

What does this PR do?
Passes resetcam=False back to plotter.show. Without this the camera position was being adjusted in the plotter.show method.

References

Closes #360

How has this PR been tested?

All tests pass, running the workflow as stated in the bug report also works. Can adjust the camera and position, save the output from Shift+C, and recreate the exact camera position with a dict.

Is this a breaking change?

No

Does this PR require an update to the documentation?

No

Checklist:

• The code has been tested locally
• Tests have been added to cover all new functionality (unit & integration)
• The documentation has been updated to reflect any changes
• The code has been formatted with pre-commit

[adamltyson]

Thanks @IgorTatarnikov!