Scripts: automatically reorder layers and themes into the fixed order

src/Utils.ts

@@ -1229,6 +1229,8 @@ In the case that MapComplete is pointed to the testing grounds, the edit will be
      * @param x
      * @constructor
      */
+    static Clone<T>(x: Readonly<T>): T
+    static Clone<T>(x: T): T
     static Clone<T>(x: T): T {
         if (x === undefined) {
             return undefined
@@ -1267,7 +1269,7 @@ In the case that MapComplete is pointed to the testing grounds, the edit will be
         reference: string,
         ts: ReadonlyArray<T>,
         getName: (t: T) => string
-    ): string[]
+    ): T[]
     public static sortedByLevenshteinDistance<T>(
         reference: string,
         ts: ReadonlyArray<T>,
@@ -1841,4 +1843,18 @@ In the case that MapComplete is pointed to the testing grounds, the edit will be
     public static concat<T>(param: T[][]): T[] {
         return [].concat(...param)
     }
+
+
+    public static reorder<T extends object>(object: T, order: ReadonlyArray<string>): T {
+        const allKeys = new Set<string>(Object.keys(object))
+        const copy = {}
+        for (const key of order) {
+            copy[key] = object[key]
+            allKeys.delete(key)
+        }
+        for (const key of allKeys) {
+            copy[key] = object[key]
+        }
+        return <T> copy
+    }
 }