fix memory leak error in SearchBoxes

app/components/dashboard/SearchBoxes.jsx

@@ -34,7 +34,7 @@ class SearchBoxes extends React.Component {
     errors: [],
   }
   componentDidUpdate() {
-    if (this.state.errors) {
+    if (this.state.errors && this.area) {
       setTimeout(() => {
         this.setState({ errors: [] })
       }, 10000)
@@ -42,6 +42,9 @@ class SearchBoxes extends React.Component {
   }
   static id = ''
   static search = ''
+  setRef = area => {
+    this.area = area
+  }
   onSearchValChanged = e => {
     this.setState({ [e.target.name]: e.target.value })
     SearchBoxes[e.target.name] = e.target.value
@@ -57,7 +60,7 @@ class SearchBoxes extends React.Component {
 
     return (
       <React.Fragment>
-        <SearchArea>
+        <SearchArea ref={this.setRef}>
           <ApolloConsumer>
             {client => {
               const goToArticle = async e => {