fix(anchor): url validation was wrong & naming of the state variable was inconsistent (#1630)
fix(anchor): url validation was wrong & naming of the state variable was inconsistent (#1630)

* fix(anchor): url validation was wrong & naming of the state variable was inconsistent

* Update AddLinkForm.tsx
nikgraf/draft-js-plugin-editor,draft-js-plugins/draft-js-plugins,draft-js-plugins/draft-js-plugins,draft-js-plugins/draft-js-plugins,nikgraf/draft-js-plugin-editor,nikgraf/draft-js-plugin-editor,draft-js-plugins/draft-js-plugins