bug#13003: Ido wide-find-file fixes

[Eyal Lotem]

Currently, when you use alt-w to do a wide-find-file under current selected dir (which uses "find" under the hood), it incorrectly uses "-name" exclusively, even with case fold, which should use "-iname".

Additionally, it does not filter the results of find like it filters other file results (according to the ignore filenames).

Attached are two patches to fix the behavior.

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Eyal

0001-ido.el-Wide-find-file-should-ignore-files-like-the-r.patch
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0002-ido.el-wide-find-file-Use-iname-rather-than-name-if-.patch
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