fix: [instance:settings] Normalise value before saving

src/Model/Table/SettingsTable.php

@@ -49,6 +49,7 @@ class SettingsTable extends AppTable
     {
         $errors = [];
         $setting = $this->getSetting($name);
+        $value = $this->normaliseValue($value, $setting);
         if (!empty($setting['beforeSave'])) {
             $setting['value'] = $value ?? '';
             $beforeSaveResult = $this->SettingsProvider->evaluateFunctionForSetting($setting['beforeSave'], $setting);
@@ -67,6 +68,14 @@ class SettingsTable extends AppTable
         return $errors;
     }
 
+    private function normaliseValue($value, $setting)
+    {
+        if ($setting['type'] == 'boolean') {
+            return (bool) $value;
+        }
+        return $value;
+    }
+
     private function readSettings()
     {
         return Configure::read()[$this::$CONFIG_KEY];

templates/Instance/settings.php

@@ -126,7 +126,7 @@ function isLeaf($setting)
                 const $input = $(this)
                 const $inputGroup = $(this).closest('.form-group')
                 const settingName = $(this).data('setting-name')
-                const settingValue = $(this).is(':checked')
+                const settingValue = $(this).is(':checked') ? 1 : 0
                 saveSetting($inputGroup[0], $input, settingName, settingValue)
             } else {
                 handleSettingValueChange($(this))