Revert "Remove duplicated code as it is already part of utils.stateLoadCallback"

This reverts commit 395b1b6c1f.

Signed-off-by: Christian König <ckoenig@posteo.de>

scripts/pi-hole/js/groups-adlists.js

@@ -306,6 +306,11 @@ function initTable() {
     stateLoadCallback: function () {
       var data = utils.stateLoadCallback("groups-adlists-table");
 
+      // Return if not available
+      if (data === null) {
+        return null;
+      }
+
       // Reset visibility of ID column
       data.columns[0].visible = false;
       // Apply loaded state to table

scripts/pi-hole/js/groups-clients.js

@@ -230,6 +230,11 @@ function initTable() {
     stateLoadCallback: function () {
       var data = utils.stateLoadCallback("groups-clients-table");
 
+      // Return if not available
+      if (data === null) {
+        return null;
+      }
+
       // Reset visibility of ID column
       data.columns[0].visible = false;
       // Apply loaded state to table

scripts/pi-hole/js/groups-domains.js

@@ -259,6 +259,11 @@ function initTable() {
     stateLoadCallback: function () {
       var data = utils.stateLoadCallback("groups-domains-table");
 
+      // Return if not available
+      if (data === null) {
+        return null;
+      }
+
       // Reset visibility of ID column
       data.columns[0].visible = false;
       // Show group assignment column only on full page

scripts/pi-hole/js/groups.js

@@ -99,6 +99,11 @@ $(function () {
     stateLoadCallback: function () {
       var data = utils.stateLoadCallback("groups-table");
 
+      // Return if not available
+      if (data === null) {
+        return null;
+      }
+
       // Reset visibility of ID column
       data.columns[0].visible = false;
       // Apply loaded state to table

scripts/pi-hole/js/messages.js

@@ -156,6 +156,10 @@ $(function () {
     },
     stateLoadCallback: function () {
       var data = utils.stateLoadCallback("messages-table");
+      // Return if not available
+      if (data === null) {
+        return null;
+      }
 
       // Reset visibility of ID and blob columns
       var hiddenCols = [0, 4, 5, 6, 7, 8];