Ticket #4403: if the selected geos is non-empty, applying formatting styles only to them

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@35233 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
#4403 #4388 move Insert File and Apply Template to filters in File -> Open

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@35234 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
4.9.294.0

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@35236 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e