optimization for extra networks filtering

javascript/extraNetworks.js

@@ -106,7 +106,9 @@ function setupExtraNetworksForTab(tabname) {
             });
         };
 
-        search.addEventListener("input", applyFilter);
+        search.addEventListener("input", function() {
+            applyFilter();
+        });
         applySort();
         applyFilter();
         extraNetworksApplySort[tabname_full] = applySort;