bugfix/reset_address_input_on_cancel

[tobias-wiese]

Description

Fixes issue #379

Reason for this PR

• see bugreport

Changes in this PR

• do a deep copy of the prop object to avoid call by reference

Type of change (remove all that don't apply)

• Bug fix (non-breaking change which fixes an issue)

How Has This Been Tested?

Please describe the tests that you ran to verify your changes. Provide instructions so we can reproduce. Please also list any relevant details for your test configuration

• Manually tested all use cases this could alter

• Frontend: (remove all that don't apply)

  • Development build

• Backend: (remove all that don't apply)

  • No backend needed to test this

Checklist: (remove all that don't apply)

• I added corresponding E2E tests (done on test catch up branch)
• I have performed a self-review of my own code
• My changes generate no new linting warnings or console warnings
• I have updated the CHANGELOG.md to include any changes made in this PR (add WIP to the top, if there is none already)