[PATCH v3 0/6] MR1148: ntdll: Mark created files beginning with a dot as not hidden.

[Torge Matthies (＠tmatthies)]

Also unifies hidden file handling.

Fixes bug [53826](https://bugs.winehq.org/show_bug.cgi?id=53826).

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  v3: ntdll: Ensure that attributes are kept the same when renaming a file.
      ntdll: Set xattr in NtCreateFile if inferred and requested attributes don't match.
      ntdll: Only infer hidden attribute from file name if xattr is not present.
      ntdll: Consistently handle dot files in file functions.
      ntdll: Do not open-code hidden file handling in get_dir_data_entry.
      ntdll/tests: Add test for file attributes of files with names beginning with a dot.

https://gitlab.winehq.org/wine/wine/-/merge_requests/1148