Speed up artifact downloads

platform_web/api/client.ts

@@ -298,6 +298,19 @@ export class PlatformApiClient {
     };
   }
 
+  async downloadArtifactContent(id: string): Promise<Response> {
+    const headers = new Headers();
+    const sessionToken = this.sessionTokenProvider();
+    if (sessionToken) {
+      headers.set("Authorization", `Bearer ${sessionToken}`);
+    }
+    const response = await fetch(`${this.baseUrl}/artifacts/${encodeURIComponent(id)}/content`, { headers, credentials: "same-origin" });
+    if (!response.ok) {
+      throw await responseError(response);
+    }
+    return response;
+  }
+
   async getJob(id: string): Promise<JobResponse> {
     return this.request<JobResponse>(`/jobs/${encodeURIComponent(id)}`);
   }