fix(form) : add optionFormBtn to form

src/app/form/form.component.html

src/app/form/form.component.ts

...red/components/modal-options/modal-options.component.html

...hared/components/modal-options/modal-options.component.ts

...ture-options-modal/structure-options-modal.component.html

...ucture-options-modal/structure-options-modal.component.ts