Cleanups in dace orchestration

[romanc]

Description

Readability improvements in dace orchestration including

• early returns
• spelling out variable names
• fixing typos

This is part of a tech debt / cleanup series of PRs going into NDSL, gt4py, and dace.

How Has This Been Tested?

Existing tests in CI will ensure nothing serious is broken by these changes.

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas: N/A
• I have made corresponding changes to the documentation: N/A
• My changes generate no new warnings
  I guess so ... not sure though. How do people usually check?
• Any dependent changes have been merged and published in downstream modules: N/A
• New check tests, if applicable, are included: N/A

[romanc]

Some comments on select changes

[FlorianDeconinck]

Nice, just one change around program

[FlorianDeconinck]

LGTM

[fmalatino]

lgtm

[bensonr]

Thanks for cleaning up the logic.