* lisp/gnus: Use closures now that we activated `lexical-binding`

* lisp/gnus: Use closures now that we activated `lexical-binding`

* lisp/gnus/nnml.el (nnml-request-accept-article):
* lisp/gnus/nnmairix.el (nnmairix-request-marks):
* lisp/gnus/nnmail.el (nnmail-get-new-mail-1):
* lisp/gnus/mm-view.el (mm-inline-image)
(mm-inline-text-html-render-with-w3m, mm-inline-text)
(mm-insert-inline, mm-inline-message):
* lisp/gnus/mm-partial.el (mm-inline-partial):
* lisp/gnus/mm-archive.el (mm-archive-dissect-and-inline):
* lisp/gnus/gnus-util.el (gnus-create-info-command):
* lisp/gnus/gnus-topic.el (gnus-topic-edit-parameters)
(gnus-topic-sort-topics-1):
* lisp/gnus/gnus-sum.el (gnus-summary-edit-article):
* lisp/gnus/gnus-srvr.el (gnus-server-edit-server):
* lisp/gnus/gnus-msg.el (gnus-inews-make-draft)
(gnus-inews-add-send-actions, gnus-summary-cancel-article)
(gnus-summary-supersede-article, gnus-summary-resend-message)
(gnus-configure-posting-styles):
* lisp/gnus/gnus-kill.el (gnus-execute):
* lisp/gnus/gnus-html.el (gnus-html-wash-images):
* lisp/gnus/gnus-group.el (gnus-group-edit-group)
(gnus-group-nnimap-edit-acl):
* lisp/gnus/gnus-draft.el (gnus-draft-edit-message, gnus-draft-setup):
* lisp/gnus/gnus-art.el (gnus-article-edit-part)
(gnus-mm-display-part, gnus-article-edit):
* lisp/gnus/gnus-agent.el (gnus-category-edit-predicate)
(gnus-category-edit-score, gnus-category-edit-groups):
Use closures instead of `(lambda ...).

* lisp/gnus/nnoo.el (noo--defalias): New function.
(nnoo-import-1, nnoo-define-skeleton-1): Use it to avoid `eval`.