client/search: fix dangling 'no data to show'

Concerned only endless scroll

client/js/views/endless_page_view.js

@@ -17,6 +17,7 @@ class EndlessPageView {
         this._working = 0;
         this._init = false;
 
+        this.clearMessages();
         views.emptyContent(this._pagesHolderNode);
 
         this.threshold = window.innerHeight / 3;
@@ -165,6 +166,10 @@ class EndlessPageView {
         return pageNode;
     }
 
+    clearMessages() {
+        views.clearMessages(this._hostNode);
+    }
+
     showSuccess(message) {
         views.showSuccess(this._hostNode, message);
     }