[F] Fix index problem when finding last index

src/logic/utils/general-utils.ts

@@ -2,5 +2,6 @@
 export function findLastIndex<T>(array: T[], callback: (v: T) => boolean): number
 {
     let arr2 = array.slice().reverse();
-    return arr2.length - arr2.findIndex(callback);
+    let result = arr2.length - arr2.findIndex(callback);
+    return result == -1 ? -1 : result - 1;
 }