Управление заявками (#7)

Co-authored-by: gorbenko.pavel <gorbenko.pavel@tansu.kz>
Reviewed-on: http://git.tnsu.kz/gorbenko.pavel/tnsu-approval-route/pulls/7

frontend/src/webparts/approvalAdmin/services/httpClient.ts

@@ -18,7 +18,7 @@ export class ApiClientError extends Error {
   }
 }
 
-export type QueryParams = Record<string, string | number | boolean | undefined | null>;
+export type QueryParams = Record<string, string | number | boolean | undefined>;
 
 export interface IHttpClient {
   get<T>(path: string, query?: QueryParams): Promise<T>;
@@ -34,7 +34,7 @@ function buildUrl(baseUrl: string, path: string, query?: QueryParams): string {
   if (query) {
     Object.keys(query).forEach(key => {
       const value = query[key];
-      if (value !== undefined && value !== null && value !== '') {
+      if (value !== undefined && value !== '') {
         url.searchParams.set(key, String(value));
       }
     });