vim-patch:8.2.4658: org-mode files are not recognized (#17939)

Problem:    Org-mode files are not recognized.
Solution:   Add patterns to recognize "org" files. (closes vim/vim#10046)
3a6f952cc8

src/nvim/testdir/test_filetype.vim

@@ -381,6 +381,7 @@ let s:filename_checks = {
     \ 'opam': ['opam', 'file.opam', 'file.opam.template'],
     \ 'openroad': ['file.or'],
     \ 'ora': ['file.ora'],
+    \ 'org': ['file.org', 'file.org_archive'],
     \ 'pamconf': ['/etc/pam.conf', '/etc/pam.d/file', 'any/etc/pam.conf', 'any/etc/pam.d/file'],
     \ 'pamenv': ['/etc/security/pam_env.conf', '/home/user/.pam_environment', '.pam_environment', 'pam_env.conf'],
     \ 'papp': ['file.papp', 'file.pxml', 'file.pxsl'],