Misc minor C1.0 updates

[franklywatson]

Misc findings

[github-actions]

Cadence Benchstat comparison

This branch with compared with the base branch onflow:master commit c4e631e
The command for i in {1..N}; do go test ./... -run=XXX -bench=. -benchmem -shuffle=on; done was used.
Bench tests were run a total of 7 times on each branch.

Collapsed results for better readability

[turbolent]

Thanks!