ssh: show total-size when uploading/downloading on ssh remote (#5383)

dvc/tree/ssh/connection.py

@@ -189,6 +189,7 @@ class SSHConnection:
             desc=progress_title or os.path.basename(src),
             disable=no_progress_bar,
             bytes=True,
+            total=self.getsize(src),
         ) as pbar:
             self.sftp.get(src, dest, callback=pbar.update_to)
 
@@ -221,7 +222,10 @@ class SSHConnection:
             progress_title = posixpath.basename(dest)
 
         with Tqdm(
-            desc=progress_title, disable=no_progress_bar, bytes=True
+            desc=progress_title,
+            disable=no_progress_bar,
+            bytes=True,
+            total=os.path.getsize(src),
         ) as pbar:
             self.sftp.put(src, tmp_file, callback=pbar.update_to)