Fix publication time and APC max filtering

Resources/Public/JavaScript/Recommender/main.js

@@ -97,7 +97,7 @@ $(document).ready(function () {
     });
 
     $(document).on('input change', '#input-publication-time-max', function () {
-        const publicationTimeMax = $(this).val();
+        publicationTimeMax = $(this).val();
         const label = $("#label-publication-time-max");
         const labelParts = label.text().split(' ');
         label.empty();
@@ -107,7 +107,7 @@ $(document).ready(function () {
     });
 
     $(document).on('input change', '#input-apc-max', function () {
-        const apcMax = $(this).val();
+        apcMax = $(this).val();
         const label = $("#label-apc-max");
         const labelParts = label.text().split(' ');
         label.empty();