refactor organisation model

[underdarknl]

Add's some properties that should help clean up the view context, and make it more explicit what each property means because they are now accessible via the organization object and as such logically are part / derived from that.

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Code Checklist

• [ ] All the commits in this PR are properly PGP-signed and verified.
• [ ] This PR only contains functionality relevant to the issue.
• [ ] I have written unit tests for the changes or fixes I made.
• [ ] I have checked the documentation and made changes where necessary.
• [ ] I have performed a self-review of my code and refactored it to the best of my abilities.

• [ ] Tickets have been created for newly discovered issues.
• [ ] For any non-trivial functionality, I have added integration and/or end-to-end tests.
• [ ] I have informed others of any required .env changes files if required and changed the .env-dist accordingly.
• [ ] I have included comments in the code to elaborate on what is not self-evident from the code itself, including references to issues and discussions online, or implicit behavior of an interface.

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Checklist for QA:

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