tools (common/files_utils): fixed get_unique_name when path is a str and not a Path

sat/tools/common/files_utils.py

@@ -27,7 +27,7 @@ def get_unique_name(path):
     @param path(str, Path): path to the file to create
     @return (Path): unique path (can be the same as path if there is no conflict)
     """
-    ori_path = Path(path)
+    ori_path = path = Path(path)
     idx = 1
     while path.exists():
         path = ori_path.with_name(ori_path.name  + f"_{idx}")