FEAT #8391 TIME 2 split externals paraph components + add send action xparaph

...l/externalSignatoryBook/controllers/XParaphController.php

...ry-book-action/maarch-paraph/maarch-paraph.component.html

...ry-book-action/maarch-paraph/maarch-paraph.component.scss

...tory-book-action/maarch-paraph/maarch-paraph.component.ts

...action/send-external-signatory-book-action.component.html

...k-action/send-external-signatory-book-action.component.ts

...rnal-signatory-book-action/x-paraph/x-paraph.component.ts

src/frontend/app/app.module.ts