Added tls for http clients (#5766)

* Added global http client

* Added Do func for global http client

* Changed the code to use the global http client

* Fix http client in volume uploader

* Fixed pkg name

* Fixed http util funcs

* Fixed http client for bench_filer_upload

* Fixed http client for stress_filer_upload

* Fixed http client for filer_server_handlers_proxy

* Fixed http client for command_fs_merge_volumes

* Fixed http client for command_fs_merge_volumes and command_volume_fsck

* Fixed http client for s3api_server

* Added init global client for main funcs

* Rename global_client to client

* Changed:
- fixed NewHttpClient;
- added CheckIsHttpsClientEnabled func
- updated security.toml in scaffold

* Reduce the visibility of some functions in the util/http/client pkg

* Added the loadSecurityConfig function

* Use util.LoadSecurityConfiguration() in NewHttpClient func

weed/server/filer_server_handlers_write_cipher.go

@@ -53,7 +53,13 @@ func (fs *FilerServer) encrypt(ctx context.Context, w http.ResponseWriter, r *ht
 		PairMap:           pu.PairMap,
 		Jwt:               auth,
 	}
-	uploadResult, uploadError := operation.UploadData(uncompressedData, uploadOption)
+	
+	uploader, uploaderErr := operation.NewUploader()
+	if uploaderErr != nil {
+		return nil, fmt.Errorf("uploader initialization error: %v", uploaderErr)
+	}
+
+	uploadResult, uploadError := uploader.UploadData(uncompressedData, uploadOption)
 	if uploadError != nil {
 		return nil, fmt.Errorf("upload to volume server: %v", uploadError)
 	}