fix: add CheckoutItem tag to API slice and enhance endpoints

Author: iacopolea

src/features/api/api.ts

@@ -37,6 +37,7 @@ export const apiSlice = createApi({
     'Plans',
     'Users',
     'EvaluationRules',
+    'CheckoutItem',
   ],
   endpoints: () => ({}),
 });

src/features/api/apiTags.ts

@@ -313,7 +313,10 @@ unguessApi.enhanceEndpoints({
       invalidatesTags: ['Plans'],
     },
     patchPlansByPidStatus: {
-      invalidatesTags: ['Plans', 'Projects'],
+      invalidatesTags: ['Plans', 'Projects', 'CheckoutItem'],
+    },
+    getPlansByPidCheckoutItem: {
+      providesTags: ['CheckoutItem'],
     },
     deleteProjectsByPid: {
       invalidatesTags: ['Projects'],