fix: tax rates API and UI improvements

- Add @ToNumber() decorator to rate field for proper validation
- Fix getTaxRates to return { data: taxRates } response
- Fix useTaxRate URL typo and response handling
- Fix activate/inactivate endpoint methods and paths
- Apply TEXT_MUTED class to description and compound tax
- Add dark mode support for rate number display

packages/server/src/modules/TaxRates/TaxRate.application.ts

@@ -62,10 +62,11 @@ export class TaxRatesApplication {
 
   /**
    * Retrieves the tax rates list.
-   * @returns {Promise<ITaxRate[]>}
+   * @returns {Promise<{ data: ITaxRate[] }>}
    */
-  public getTaxRates() {
-    return this.getTaxRatesService.getTaxRates();
+  public async getTaxRates() {
+    const taxRates = await this.getTaxRatesService.getTaxRates();
+    return { data: taxRates };
   }
 
   /**