fix the remaining warnings in the codebase#123

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superwhiskers wants to merge 3 commits intoORNL:developfrom

superwhiskers:fix-remaining-warnings

Commits on Jun 2, 2025

address the remaining warnings resulting from the new linting flags
superwhiskers
committed
remove unnecessary comment in the root `CMakeLists.txt` now that we've added linting flags
superwhiskers
committed
finish making all implicit casts explicit
superwhiskers
committed