Minimize jump on Special:NewLexeme when lemma language field is hidden.

Authored by Jakob_WMDE on Mar 12 2018, 3:54 PM.

Description

Minimize jump on Special:NewLexeme when lemma language field is hidden.

Since hiding the field via JS may take a while and cause the page to
jump once ResourceLoader finished loading, it is now changed to use
a custom css module.

Change-Id: Ib81f48d4b0553ec2d16284683775033d7d331a16

Details