Special:Contributions: Use mediawiki.ui

 * Use 'mw-ui-input-inline' for tagfilter input
 * Use 'mw-ui-input-inline' for IP/Username
 * Use 'mw-ui-progressive' for Search button
 * Vertically align the select dropdown

Bug: 71137
Change-Id: I20b0ebeb194ce0505abede6fb3bdd69b28350f04
Merge "Special:Contributions: Use mediawiki.ui"