Set default TUS chunk size from 100 to 2 MB (#6058)

CHANGELOG.md

@@ -12,6 +12,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Changed
 - Docker images no longer include Ubuntu package sources or FFmpeg/OpenH264 sources
   (<https://github.com/opencv/cvat/pull/6040>)
+- TUS chunk size changed from 100 MB to 2 MB
+  (<https://github.com/opencv/cvat/pull/6058>)
 
 ### Deprecated
 - TDB

cvat-ui/package.json

 {
   "name": "cvat-ui",
-  "version": "1.50.7",
+  "version": "1.50.8",
   "description": "CVAT single-page application",
   "main": "src/index.tsx",
   "scripts": {

cvat-ui/src/cvat-core-wrapper.ts

@@ -28,7 +28,9 @@ const cvat: any = _cvat;
 
 cvat.config.backendAPI = '/api';
 cvat.config.origin = window.location.origin;
-cvat.config.uploadChunkSize = 100;
+// Set the TUS chunk size to 2 MB. A small value works better in case of a slow internet connection.
+// A larger value may cause a server-side timeout errors in the current implementation.
+cvat.config.uploadChunkSize = 2;
 (globalThis as any).cvat = cvat;
 
 function getCore(): any {