New: Author folder hint when selecting a root folder while adding a new author

(cherry picked from commit dd09f31abb4dd3f699bcff0a47577075300c70ee)

Fix AuthorFolderAsRootFolderValidator

(cherry picked from commit 0ce81e1ab69d43fde382cc4ae22cd46fe626dea7)

frontend/src/Search/Author/AddNewAuthorModalContent.js

@@ -9,6 +9,7 @@ import ModalContent from 'Components/Modal/ModalContent';
 import ModalFooter from 'Components/Modal/ModalFooter';
 import ModalHeader from 'Components/Modal/ModalHeader';
 import { kinds } from 'Helpers/Props';
+import translate from 'Utilities/String/translate';
 import AddAuthorOptionsForm from '../Common/AddAuthorOptionsForm.js';
 import styles from './AddNewAuthorModalContent.css';
 
@@ -54,7 +55,7 @@ class AddNewAuthorModalContent extends Component {
     return (
       <ModalContent onModalClose={onModalClose}>
         <ModalHeader>
-          Add new Author
+          {translate('AddNewAuthor')}
         </ModalHeader>
 
         <ModalBody>
@@ -133,7 +134,7 @@ class AddNewAuthorModalContent extends Component {
 
 AddNewAuthorModalContent.propTypes = {
   authorName: PropTypes.string.isRequired,
-  disambiguation: PropTypes.string.isRequired,
+  disambiguation: PropTypes.string,
   overview: PropTypes.string,
   images: PropTypes.arrayOf(PropTypes.object).isRequired,
   isAdding: PropTypes.bool.isRequired,

frontend/src/Search/Author/AddNewAuthorModalContentConnector.js

@@ -4,6 +4,7 @@ import { connect } from 'react-redux';
 import { createSelector } from 'reselect';
 import { addAuthor, setAuthorAddDefault } from 'Store/Actions/searchActions';
 import createDimensionsSelector from 'Store/Selectors/createDimensionsSelector';
+import createSystemStatusSelector from 'Store/Selectors/createSystemStatusSelector';
 import selectSettings from 'Store/Selectors/selectSettings';
 import AddNewAuthorModalContent from './AddNewAuthorModalContent';
 
@@ -12,7 +13,8 @@ function createMapStateToProps() {
     (state) => state.search,
     (state) => state.settings.metadataProfiles,
     createDimensionsSelector(),
-    (searchState, metadataProfiles, dimensions) => {
+    createSystemStatusSelector(),
+    (searchState, metadataProfiles, dimensions, systemStatus) => {
       const {
         isAdding,
         addError,
@@ -32,6 +34,7 @@ function createMapStateToProps() {
         isSmallScreen: dimensions.isSmallScreen,
         validationErrors,
         validationWarnings,
+        isWindows: systemStatus.isWindows,
         ...settings
       };
     }

frontend/src/Search/Author/AddNewAuthorSearchResult.js

@@ -78,6 +78,7 @@ class AddNewAuthorSearchResult extends Component {
       status,
       overview,
       ratings,
+      folder,
       images,
       isExistingAuthor,
       isSmallScreen
@@ -205,6 +206,7 @@ class AddNewAuthorSearchResult extends Component {
           disambiguation={disambiguation}
           year={year}
           overview={overview}
+          folder={folder}
           images={images}
           onModalClose={this.onAddAuthorModalClose}
         />
@@ -222,6 +224,7 @@ AddNewAuthorSearchResult.propTypes = {
   status: PropTypes.string.isRequired,
   overview: PropTypes.string,
   ratings: PropTypes.object.isRequired,
+  folder: PropTypes.string.isRequired,
   images: PropTypes.arrayOf(PropTypes.object).isRequired,
   isExistingAuthor: PropTypes.bool.isRequired,
   isSmallScreen: PropTypes.bool.isRequired