Add privilege information fields

[mathemancer]

Fixes #3792
Fixes #3775
Fixes #3793
Fixes #3794

Adds ownership and current role privilege info to various RPC functions. All modifications are documented as usual, and should be self-explanatory.

Checklist

• My pull request has a descriptive title (not a vague title like Update index.md).
• My pull request targets the develop branch of the repository
• My commit messages follow best practices.
• My code follows the established code style of the repository.
• I added tests for the changes I made (if applicable).
• I added or updated documentation (if applicable).
• I tried running the project locally and verified that there are no
  visible errors.

Developer Certificate of Origin

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(b) The contribution is based upon previous work that, to the best
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[Anish9901]

LGTM!