update fix issue

package.json

 {
     "name": "react-ag-qeditor",
-    "version": "1.1.73",
+    "version": "1.1.74",
     "description": "WYSIWYG html editor",
     "author": "atma",
     "license": "MIT",

src/extensions/ToggleBlock.js

@@ -188,7 +188,7 @@ const ToggleBlock = Node.create({
             const doc = state.doc
             const tr = state.tr
             let additionalOffset = 0
-            let pos = 1
+            let pos = 0
 
             for (let i = 0; i < doc.childCount - 1; i++) {
                 const node = doc.child(i)