Fix for #3027: return undefined point for ToPoint[{2}]

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@24051 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Ticket #3097: prevent formula bounding box lagging for MathQuill formulas too (not only for CanvasMath formulas)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@24052 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e