add *ngIf to abp-extensible-form to prevent rendering when isModalVisible is false #14818
Description
Resolves #14817
TODO: Fix(application-form-modal.component.html): add *ngIf directive to abp-modal and abp-extensible-form to prevent rendering when isModalVisible is false
Checklist
- I fully tested it as developer / designer and created unit / integration tests
- I've assigned reviewer, related labels and set a milestone for this PR