fix iaviewer flags not valid

[giskook]

• Targeted PR against correct branch (see CONTRIBUTING.md)

• Linked to github-issue with discussion and accepted design OR link to spec that describes this work.

• Wrote tests

• Updated relevant documentation (docs/)

• Added a relevant changelog entry to the Unreleased section in CHANGELOG.md

• Reviewed Files changed in the github PR explorer

---

For Admin Use:

• Added appropriate labels to PR (ex. wip, ready-for-review, docs)
• Reviewers Assigned
• Squashed all commits, uses message "Merge PR #XYZ: [title]" (coding standards)

[codecov-commenter]

Codecov Report

Merging #3123 (42757e7) into dev (ec80d21) will not change coverage.
The diff coverage is n/a.

❗ Current head 42757e7 differs from pull request most recent head 7f4f05b. Consider uploading reports for the commit 7f4f05b to get more accurate results

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@@           Coverage Diff           @@
##              dev    #3123   +/-   ##
=======================================
  Coverage   36.07%   36.07%           
=======================================
  Files         441      441           
  Lines       46306    46306           
=======================================
  Hits        16707    16707           
  Misses      28362    28362           
  Partials     1237     1237