Fix problems with flow updates

[Taucher2003]

• FlowSetting is not getting saved
• function_value and reference_value are not unset after destroy
• function_value destroy in NodeParameter violated foreign keys

[github-actions]

GitLab Pipeline Action

General information

Link to pipeline: https://gitlab.com/code0-tech/development/sagittarius/-/pipelines/2335084449

Status: Passed
Duration: 5 minutes

Job summaries

rspec: [ee]

Coverage report available at https://code0-tech.gitlab.io/-/development/sagittarius/-/jobs/13171153126/artifacts/tmp/coverage/index.html
Test summary available at https://gitlab.com/code0-tech/development/sagittarius/-/pipelines/2335084449/test_report
Finished in 23.83 seconds (files took 11.25 seconds to load)
1324 examples, 0 failures
Line Coverage: 91.65% (4610 / 5030)
[TEST PROF INFO] Time spent in factories: 00:13.314 (45.35% of total time)

rspec: [ce]

Coverage report available at https://code0-tech.gitlab.io/-/development/sagittarius/-/jobs/13171153120/artifacts/tmp/coverage/index.html
Test summary available at https://gitlab.com/code0-tech/development/sagittarius/-/pipelines/2335084449/test_report
Finished in 24.8 seconds (files took 12.24 seconds to load)
1277 examples, 0 failures
Line Coverage: 91.12% (4442 / 4875)
[TEST PROF INFO] Time spent in factories: 00:13.126 (41.98% of total time)

rubocop

739 files inspected, no offenses detected