Updated mediawiki/extensions
Project: mediawiki/extensions/VisualEditor  c98a964d5f8495f0d16af9229abbeb0449042d1e

Fix check for preformatted when stripping whitespace

Previous was checking by string match to 'preformatted' which didn't
match 'mwPreformatted'. Now using node factory to see if
hasSignificantWhitespace is set.

Bug: 54083
Change-Id: I1be2d4568df7848e08074d200fb374acd508f6fa