(fix) bind this to updateEditorPosition function

Author: JeanBaptisteWATENBERG

package.json

@@ -1,6 +1,6 @@
 {
   "name": "react-jsonpath-editor",
-  "version": "1.1.0-beta.1",
+  "version": "1.1.0-beta.2",
   "description": "react-jsonpath-editor React component",
   "main": "lib/index.js",
   "module": "es/index.js",

src/index.js

@@ -24,6 +24,7 @@ export default class extends Component {
     this.enableBlur = this.controlBlur.bind(this, {isEnable: true})
     this.escFunction = this.escFunction.bind(this)
     this.onMouseLeaveFromEditor = this.onMouseLeaveFromEditor.bind(this)
+    this.updateEditorPosition = this.updateEditorPosition.bind(this)
 
     this.state = {
       value: props.value || '',