fixup! fixup! Add a preliminary checker to ensure the mount points in…

… /etc/fstab are in the correct order

pleskdistup/common/src/mounts.py

@@ -38,10 +38,10 @@ def get_fstab_configuration_misorderings(configpath: str) -> typing.List[typing.
         if mount_points_order["/"] > mount_points_order[mount_point]:
             misorderings.append(("/", mount_point))
 
-        leading_paths = mount_point.split("/")[:-1]
-        for i in range(1, len(leading_paths) + 1):
-            parent_dir = "/".join(leading_paths[:i])
-            if parent_dir in mount_points_order and mount_points_order[parent_dir] > mount_points_order[mount_point]:
-                misorderings.append((parent_dir, mount_point))
+        parant_dir = os.path.dirname(mount_point)
+        while parant_dir != "/":
+            if parant_dir in mount_points_order and mount_points_order[parant_dir] > mount_points_order[mount_point]:
+                misorderings.append((parant_dir, mount_point))
+            parant_dir = os.path.dirname(parant_dir)
 
     return misorderings