Add E2E test for Default Form

[wildone]

Add comprehensive E2E test for default form behavior when cancel is pressed or nothing is selected.\n\n## Acceptance Criteria:\n- [ ] Test default form opens when cancel is pressed\n- [ ] Test default form opens when nothing is selected\n- [ ] Unit tests for default form logic\n\n## Test Cases:\n- [ ] Press cancel on form\n- [ ] Deselect all objects\n- [ ] Verify default form opens

[wildone]

Created .tasks/issue-32.md for incremental ticket tracking and traceability. All updates will be logged in this file with YAML metadata and update history. See README for workflow details. [commit c10da2d]