fix bug where i forgot to pass in the cm instance to hide the hinter

Author: khanniie

client/modules/IDE/components/Editor/hinter.js

@@ -18,8 +18,8 @@ const hinter = new Fuse(hinterDefinition.p5Hinter, {
 });
 
 /** Hides the hinter. */
-export function hideHinter() {
-  CodeMirror.showHint(this._cm, () => {}, {});
+export function hideHinter(cmInstance) {
+  CodeMirror.showHint(cmInstance, () => {}, {});
 }
 
 /**

client/modules/IDE/components/Editor/index.jsx

@@ -269,7 +269,7 @@ class Editor extends React.Component {
     if (this.props.autocompleteHinter !== prevProps.autocompleteHinter) {
       if (!this.props.autocompleteHinter) {
         // close the hinter window once the preference is turned off
-        hideHinter();
+        hideHinter(this._cm);
       }
     }