Fix camera logging

[XX-Yin]

Pull Request instructions:

• Please follow the update protocol
• Answer the questions below in detail. Your responses will be emailed to experimenters.
• If the experimenters must do anything new, provide detailed step by step instructions on the wiki
• If computer maintainers need to manually update anything, provide detailed step by step instructions
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• Merges from "production_testing" into "main" should use the keyword "update main"

Describe changes:

Handle an edge case: Manually clicking the Start button in the camera window will not create a new session folder if a new session is started after a previous session.

What issues or discussions does this update address?

Manually clicking the Start button in the camera window will not create a new session folder if a new session is started after a previous session, because logging is not marked as stopped.

Describe the expected change in behavior from the perspective of the experimenter

No

Describe any manual update steps for task computers

No

Was this update tested in 446/447?

Tested in 323_EPHYS3

[XX-Yin]

@hanhou @alexpiet This is ready for review.