fix(translating): fix len(array) as function argument being translated into array reference

[Tirito6626]

closes #1162

• fixes len(array), passed as function argument, being translated into array reference instead of its ephemeral variable value with length prefix
• adds tests for both Text and Array length as function argument

Summary by CodeRabbit

• Bug Fixes

  • Improved array length handling when passing values to functions.
  • Preserved expected quoting for indexed and whole-array arguments.
  • Improved compatibility for reference-bound arrays across supported shells.
  • Prevented unused function return values from being retained in statement-only calls.

• Tests

  • Added coverage for passing text and array lengths as function arguments.

[codecov]

Codecov Report

❌ Patch coverage is 33.33333% with 16 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
src/modules/function/invocation.rs	33.33%	16 Missing ⚠️

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