Fix Bug#30293

Fix Bug#30293

* lisp/net/tramp-archive.el (tramp-archive-file-name-for-operation):
New defsubst.
(tramp-archive-file-name-archive, tramp-archive-file-name-localname):
New defuns.
(tramp-archive-file-name-handler, tramp-archive-dissect-file-name)
(tramp-archive-handle-not-implemented): Use them.  (Bug#30293)

* test/lisp/net/tramp-archive-tests.el (tramp-archive-test-directory):
New defconst.
(tramp-archive-test01-file-name-syntax): Extend test.
(tramp-archive-test05-expand-file-name-non-archive-directory):
New test.  (Bug#30293)

* test/lisp/net/tramp-archive-resources/foo.iso/foo: New file.