---------------------------
* Change: googlechart-notes are now with overflow hidden and with
white background otherwise when we export to pdf we get transparent
black background from dom-to-image js library that exports as image
the notes and visualization info
[ichim-david refs 125298]
* Change: export notes only when clicking on export to png since the
notes are exported only on the png export. This is an expensive action
since the domtoimage library loads every font face found in stylesheets
[ichim-david refs 125298]
* Change: pin visualization version to 49 from 1.0 in order to avoid warnings
that it tries to load version 1 and 49
[ichim-david refs 125298]
* Bug fix: avoid crash of charts when we have numeric fields and they are empty
[ichim-david refs 125298]