fix(medusa): ShippingOption type on listAndCount (#2040)

**What**
Fix typing issue

Co-authored-by: Oliver Windall Juhl <59018053+olivermrbl@users.noreply.github.com>

.changeset/spicy-jokes-protect.md

@@ -0,0 +1,5 @@
+---
+"@medusajs/medusa": patch
+---
+
+fix(medusa): ShippingOption type on `listAndCount`

packages/medusa/src/services/shipping-option.ts

@@ -157,12 +157,12 @@ class ShippingOptionService extends TransactionBaseService {
   }
 
   /**
-   * @param {Object} selector - the query object for find
-   * @param {object} config - config object
-   * @return {Promise} the result of the find operation
+   * @param selector - the query object for find
+   * @param config - config object
+   * @return the result of the find operation
    */
   async listAndCount(
-    selector: Selector<ShippingMethod>,
+    selector: Selector<ShippingOption>,
     config: FindConfig<ShippingOption> = { skip: 0, take: 50 }
   ): Promise<[ShippingOption[], number]> {
     const manager = this.manager_