[DF-4512] Refactored GetStringSize() for Graphics fonts
Revert "[DF-4512] Refactored GetStringSize() for Graphics fonts"

This reverts commit 2cb04a40939578289b691b0de8c40a0e9c1d7495.
Merge branch 'DF-2776_Distance_field_font' of https://github.com/dava/dava.framework into DF-2776_Distance_field_font
[DF-4512] Updated UnitTest to see parsing of text with both graphics font and ttf font