text part reworks and new features

rework the checks and make requirements more stringent for using custom fonts to ensure zero errors
also fixed the font enum builders to show clearly which fonts are actually usable

partial newline support (draw.DrawText supports it natively), optionally using escape characters
promote Text property to generic multiline panel class

truncate mode: gradually write letters or words, optionally delimited by certain definable "skip" characters

proxy-able vector type data source

allow custom brackets and separators for nicer formatting

Author: pingu7867