feat: Add AI credit topup flow for Stripe (#12988)

Co-authored-by: Shivam Mishra <scm.mymail@gmail.com>
Co-authored-by: Pranav <pranav@chatwoot.com>

app/javascript/dashboard/store/modules/accounts.js

@@ -18,6 +18,7 @@ const state = {
     isFetchingItem: false,
     isUpdating: false,
     isCheckoutInProcess: false,
+    isFetchingLimits: false,
   },
 };
 
@@ -141,11 +142,14 @@ export const actions = {
   },
 
   limits: async ({ commit }) => {
+    commit(types.default.SET_ACCOUNT_UI_FLAG, { isFetchingLimits: true });
     try {
       const response = await EnterpriseAccountAPI.getLimits();
       commit(types.default.SET_ACCOUNT_LIMITS, response.data);
     } catch (error) {
       // silent error
+    } finally {
+      commit(types.default.SET_ACCOUNT_UI_FLAG, { isFetchingLimits: false });
     }
   },