hide logs search if there are no logs

apps/block_scout_web/assets/js/pages/address/logs.js

@@ -40,6 +40,15 @@ const elements = {
         return $el.hide()
       }
 
+      return $el.show()
+    }
+  },
+  '[data-search]': {
+    render ($el, state) {
+      if (state.emptyResponse) {
+        return $el.hide()
+      }
+
       return $el.show()
     }
   }

apps/block_scout_web/lib/block_scout_web/templates/address_logs/index.html.eex

@@ -8,7 +8,7 @@
       <h2 class="card-title"><%= gettext "Logs" %></h2>
       <div class="logs-topbar">
 
-        <div class="logs-search">
+        <div data-search class="logs-search">
           <input data-search-field class="logs-search-input" type='text' placeholder=<%= gettext("Topic") %> id='search-text-input' />
           <button data-cancel-search-button class="logs-search-btn-cancel" type="button">x</button>
           <button data-search-button class="logs-search-btn" type="button"><%= gettext("Search") %></button>