Issue #110 Parsing short-circuits prematurely when command without flags given but no matching alias is found

[brandongregoryscott]

Fixes #110

Fix mutated process.argv reference which was popping the last argument off the array when preprocessing for aliases, which would cause the help menu to be displayed when a single command was specified but matched no defined aliases

• [x] Related GitHub issue(s) linked in PR description
• [x] Destination branch merged, built and tested with your changes
• [x] Code formatted and follows best practices and patterns
• [x] Code builds cleanly (no additional warnings or errors)
• [x] Manually tested
• [x] Automated tests are passing
• [x] No decreases in automated test coverage
• [-] Documentation updated (readme, docs, comments, etc.)
• [-] Localization: No hard-coded error messages in code files (minimally in string constants)

[codecov[bot]]

Codecov Report

Merging #111 into main will not change coverage. The diff coverage is 100.00%.

@@           Coverage Diff           @@
##             main     #111   +/-   ##
=======================================
  Coverage   79.58%   79.58%           
=======================================
  Files          25       25           
  Lines         926      926           
  Branches      136      136           
=======================================
  Hits          737      737           
  Misses        162      162           
  Partials       27       27           

Impacted Files	Coverage Δ
modules/command-registry.js	100.00% <100.00%> (ø)

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