#3746 ButtonSizeModel and is applied for both desktop and web.

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@29908 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Ticket #3785: quick workaround for \sqrt inside of \text

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@29909 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Reverting [29875] and porting [29910]

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@29911 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e