feat(lib): resolve type errors in services

libs/ui/src/lib/services/admin.service.ts

@@ -132,7 +132,7 @@ export class AdminService {
   public fetchJobs({ status }: { status?: JobStatus[] }) {
     let params = new HttpParams();
 
-    if (status?.length > 0) {
+    if (status && status.length > 0) {
       params = params.append('status', status.join(','));
     }
 
@@ -153,7 +153,7 @@ export class AdminService {
     skip,
     take = DEFAULT_PAGE_SIZE
   }: {
-    skip?: number;
+    skip: number;
     take?: number;
   }) {
     let params = new HttpParams();

libs/ui/src/lib/services/data.service.ts

@@ -90,7 +90,7 @@ export class DataService {
   public buildFiltersAsQueryParams({ filters }: { filters?: Filter[] }) {
     let params = new HttpParams();
 
-    if (filters?.length > 0) {
+    if (filters && filters.length > 0) {
       const {
         ACCOUNT: filtersByAccount,
         ASSET_CLASS: filtersByAssetClass,