fix(Sandakan#498): localize boolean option labels in smart playlist criteria

Replace hardcoded 'true'/'false' strings with i18n keys playlist.valueTrue
and playlist.valueFalse

Author: Owie6789

src/renderer/src/assets/locales/en/en.json

@@ -303,7 +303,9 @@
     "refreshFailed": "Failed to refresh smart playlist.",
     "ruleField": "Field",
     "ruleOperator": "Operator",
-    "ruleValue": "Value"
+    "ruleValue": "Value",
+    "valueTrue": "true",
+    "valueFalse": "false"
   },
 
   "album": {

src/renderer/src/components/SmartPlaylistCriteriaEditor.tsx

@@ -184,8 +184,8 @@ const SmartPlaylistCriteriaEditor = (props: SmartPlaylistCriteriaEditorProps) =>
           value={String(rule.value)}
           onChange={(e) => onChange(e.target.value === 'true')}
         >
-          <option value="true">true</option>
-          <option value="false">false</option>
+          <option value="true">{t('playlist.valueTrue')}</option>
+          <option value="false">{t('playlist.valueFalse')}</option>
         </select>
       );
     }