Revert "Deprecate DESIGN_KW"

[jonathan-eq]

This reverts commit f67ebd5.

Issue
Resolves #my_issue

Approach
Short description of the approach

(Screenshot of new behavior in GUI if applicable)

• PR title captures the intent of the changes, and is fitting for release notes.
• Added appropriate release note label
• Commit history is consistent and clean, in line with the contribution guidelines.
• Make sure unit tests pass locally after every commit (git rebase -i main --exec 'just rapid-tests')

When applicable

• When there are user facing changes: Updated documentation
• New behavior or changes to existing untested code: Ensured that unit tests are added (See Ground Rules).
• Large PR: Prepare changes in small commits for more convenient review
• Bug fix: Add regression test for the bug
• Bug fix: Add backport label to latest release (format: 'backport release-branch-name')

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 90.54%. Comparing base (f7d463b) to head (7aeb41c).

Additional details and impacted files

@@              Coverage Diff              @@
##           version-17.0   #12451   +/-   ##
=============================================
  Coverage         90.54%   90.54%           
=============================================
  Files               434      434           
  Lines             29067    29067           
=============================================
  Hits              26319    26319           
  Misses             2748     2748           

Flag	Coverage Δ
cli-tests	37.61% <ø> (ø)
gui-tests	68.99% <ø> (ø)
performance-and-unit-tests	73.96% <ø> (ø)
test	38.59% <ø> (ø)

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[codspeed-hq]

CodSpeed Performance Report

Merging #12451 will not alter performance

_{Comparing jonathan-eq:version-17.0 (7aeb41c) with main (43455c6)¹}

Summary

✅ 22 untouched

Footnotes

1. No successful run was found on version-17.0 (f7d463b) during the generation of this report, so main (43455c6) was used instead as the comparison base. There might be some changes unrelated to this pull request in this report. ↩

[xjules]

Nice!