Fix #106, Consolidate HK variables that are duplicated in the global struct

[thnkslprpt]

Checklist

• [x] I reviewed the Contributing Guide.
• [x] I signed and emailed the appropriate Contributor License Agreement to GSFC-SoftwareRelease@mail.nasa.gov and copied cfs-program@lists.nasa.gov.

Describe the contribution

• Fixes #106
  • Consolidates the variables common to both the global struct and the housekeeping packet to only exist (and be updated/accessed) in the housekeeping struct

Testing performed GitHub CI actions all passing successfully (incl. Build + Run, Unit/Functional Tests etc.).

Expected behavior changes No change to behavior other than storage location of the variables as outlined above.

Simpler pattern, reduces duplication and eases future maintenance.

Contributor Info Avi Weiss @thnkslprpt