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_autochunk.go

@@ -308,8 +308,14 @@ func (fs *FilerServer) saveAsChunk(so *operation.StorageOption) filer.SaveDataAs
 				PairMap:           nil,
 				Jwt:               auth,
 			}
+
+			uploader, uploaderErr := operation.NewUploader()
+			if uploaderErr != nil {
+				return uploaderErr
+			}
+
 			var uploadErr error
-			uploadResult, uploadErr, _ = operation.Upload(reader, uploadOption)
+			uploadResult, uploadErr, _ = uploader.Upload(reader, uploadOption)
 			if uploadErr != nil {
 				return uploadErr
 			}