Import into current collection if not creating new collection. Resolve #2291

chrome/content/zotero/fileInterface.js

@@ -399,7 +399,7 @@ var Zotero_File_Interface = new function() {
 	 *
 	 * @param {Object} options
 	 * @param {nsIFile|string|null} [options.file=null] - File to import, or none to show a filepicker
-	 * @param {Boolean} [options.addToLibraryRoot=false]
+	 * @param {Boolean} [options.addToLibraryRoot=false] - Use root library instead of a selected collection
 	 * @param {Boolean} [options.createNewCollection=true] - Put items in a new collection
 	 * @param {Boolean} [options.linkFiles=false] - Link to files instead of storing them
 	 * @param {Function} [options.onBeforeImport] - Callback to receive translation object, useful

chrome/content/zotero/import/importWizard.js

@@ -436,7 +436,7 @@ const Zotero_Import_Wizard = { // eslint-disable-line no-unused-vars
 		
 		try {
 			const result = await Zotero_File_Interface.importFile({
-				addToLibraryRoot: !shouldCreateCollection,
+				createNewCollection: shouldCreateCollection,
 				file: this.file,
 				fileTypes,
 				folder: this.folder,