fix #343630 by getting explicitly TextInput widget for String, also instantiate field to get proper widget configuration
// cf /usr/share/fckeditor/fckconfig.jsFCKConfig.AutoDetectLanguage=false;FCKConfig.ToolbarSets["Default"]=[// removed : 'Save','NewPage','DocProps','-','Templates','-','Preview'['Source'],// removed: 'Print','-','SpellCheck'['Cut','Copy','Paste','PasteText','PasteWord'],['Undo','Redo','-','Find','Replace','-','SelectAll','RemoveFormat'],//['Form','Checkbox','Radio','TextField','Textarea','Select','Button','ImageButton','HiddenField'],'/',// ,'StrikeThrough','-','Subscript','Superscript'['Bold','Italic','Underline'],// ,'-','Outdent','Indent','Blockquote'['OrderedList','UnorderedList'],['JustifyLeft','JustifyCenter','JustifyRight','JustifyFull'],['Link','Unlink','Anchor'],// removed : 'Image','Flash','Smiley','PageBreak'['Table','Rule','SpecialChar'],'/',['Style','FontFormat','FontName','FontSize'],['TextColor','BGColor'],//,'ShowBlocks'['FitWindow','-','About']// No comma for the last row.];// 'Flash','Select','Textarea','Checkbox','Radio','TextField','HiddenField','ImageButton','Button','Form',FCKConfig.ContextMenu=['Generic','Link','Anchor','Image','BulletedList','NumberedList','Table'];FCKConfig.LinkUpload=false;FCKConfig.ImageUpload=false;FCKConfig.FlashUpload=false;