Fixed recurrences bug

package.json

 {
   "name": "sleek",
   "productName": "sleek",
-  "version": "1.2.4-rc.2",
+  "version": "1.2.4-rc.3",
   "description": "todo.txt manager for Linux, Windows and MacOS, free and open-source (FOSS)",
   "synopsis": "todo.txt manager for Linux, Windows and MacOS, free and open-source (FOSS)",
   "category": "ProjectManagement",

src/js/recurrences.mjs

@@ -80,8 +80,7 @@ function generateRecurrence(todo) {
     const index = items.objects.map(function(item) {return item.toString().replaceAll(String.fromCharCode(16)," "); }).indexOf(recurringTodo.toString().replaceAll(String.fromCharCode(16)," "));
     // only add recurring todo if it is not already in the list
     if(index===-1) {
-      items.objects.push(recurringTodo);
-      window.api.send("writeToFile", [items.objects.join("\n").toString() + "\n"]);
+      window.api.send("writeToFile", [recurringTodo.toString(), index]);
       return Promise.resolve("Success: Recurring todo created and written into file: " + getActiveFile());
     } else {
       return Promise.resolve("Info: Recurring todo already in file, won't write anything");