Fix bug where seed was not set for manual initialization

[oyvindeide]

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 tests pass locally (after every commit!)

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: Create Backport PR to latest release

Stale

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 90.68%. Comparing base (02f996b) to head (894676a).
Report is 21 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #8539      +/-   ##
==========================================
+ Coverage   90.63%   90.68%   +0.04%     
==========================================
  Files         342      342              
  Lines       20901    20947      +46     
==========================================
+ Hits        18944    18995      +51     
+ Misses       1957     1952       -5     

Flag	Coverage Δ
gui-tests	75.85% <ø> (-0.02%)	⬇️
integration-tests	54.08% <ø> (+0.01%)	⬆️
unit-tests	68.80% <ø> (+0.07%)	⬆️

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