Validate that stimuli have the same project and public attributes as the recording when created

[GianlucaFicarelli]

Description

Validate that stimuli have the same project and public attributes as the recording when created.

It should be done for all the recording types (ion_channel_recording and electrical_cell_recording).

Technical implementation & specs

It can be done in the app logic if simpler, or as a trigger in the db.

Additional context

Related issue: https://github.com/openbraininstitute/prod-build-emodel/issues/209

Acceptance criteria

• it's not possible to register a private stimulus for a public recording
• it's not possible to register a public stimulus for a private recording (this should be validated already)
• it's not possible to register a stimulus for a recording if the project isn't the same