Revert "CodeType.js: use loop instead of recursion to optimize performance"

This reverts commit 09332e96

Cordova app still crashes, fix did not help.
diff --git a/eclipse-scout-core/src/code/CodeType.js b/eclipse-scout-core/src/code/CodeType.js
index 6c2bbab..30e5d45 100644
--- a/eclipse-scout-core/src/code/CodeType.js
+++ b/eclipse-scout-core/src/code/CodeType.js
@@ -30,28 +30,14 @@
     }
   }
 
-  _initCode(modelCode) {
-    // Init codes NON recursively to keep the call stack small for large code types
-    let childCodeStack = [];
-    childCodeStack.push({modelCode: modelCode});
-    while (childCodeStack.length > 0) {
-      let entry = childCodeStack.pop();
-      let modelCode = entry.modelCode;
-      let parent = entry.parent;
-      let code = this._initCodeImpl(modelCode, parent, 0);
-      if (modelCode.children && modelCode.children.length > 0) {
-        for (let i = modelCode.children.length - 1; i >= 0; i--) {
-          let child = modelCode.children[i];
-          childCodeStack.push({modelCode: child, parent: code});
-        }
-      }
-    }
-  }
-
-  _initCodeImpl(modelCode, parent) {
+  _initCode(modelCode, parent) {
     var code = scout.create(modelCode);
     this.add(code, parent);
-    return code;
+    if (modelCode.children) {
+      for (var i = 0; i < modelCode.children.length; i++) {
+        this._initCode(modelCode.children[i], code);
+      }
+    }
   }
 
   add(code, parent) {