fix remaining js issues

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

@@ -1,6 +1,5 @@
 import $ from 'jquery'
 import _ from 'lodash'
-import URI from 'urijs'
 import humps from 'humps'
 import { subscribeChannel } from '../../socket'
 import { connectElements } from '../../lib/redux_helpers.js'
@@ -28,12 +27,12 @@ export function reducer (state, action) {
 const elements = {
   '[data-search-field]': {
     render ($el, state) {
-      $el
+      return $el
     }
   },
   '[data-search-button]': {
     render ($el, state) {
-      $el
+      return $el
     }
   },
   '[data-cancel-search-button]': {
@@ -62,8 +61,8 @@ if ($('[data-page="address-logs"]').length) {
     store.dispatch({
       type: 'START_SEARCH',
       addressHash: addressHash})
-    var topic = $('[data-search-field]').val();
-    var path = "/search_logs?topic=" + topic + "&address_id=" + store.getState().addressHash
+    var topic = $('[data-search-field]').val()
+    var path = '/search_logs?topic=' + topic + '&address_id=' + store.getState().addressHash
     store.dispatch({type: 'START_REQUEST'})
     $.getJSON(path, {type: 'JSON'})
       .done(response => store.dispatch(Object.assign({type: 'ITEMS_FETCHED'}, humps.camelizeKeys(response))))