Updated mediawiki/skins
Project: mediawiki/skins/chameleon  0490f99d6661ddab87eb36881bcbb9ce8c147ab8

Limit fix of padding of mw-ui-input and -button to Special:Search

Also some minor restructuring of styles.

Bug: 73509
Followup: Id57e514abb1910d6059
Change-Id: I943ba03dc116fa2247a5b49613f08a60ff7993df