Add new private range special symbols for recent OpenTTD updates: town and city icons for sans (supporting #14504), left arrow for small and sans (supporting #14174). Add Hebrew alphabet to small and serif fonts, for first (beta) support for Hebrew. Fix new shekel glyph height in all fonts. Fix i ogonek right bearing and umlaut alignment in sans font. Fixes#14179
Adds missing characters for Chuvash and Serbian translations. Adds support for combining diacritics (needed for for Cyrillic es with accent) and corrects miscoded Cyrillic es with descender.
Corrects line height in Windows to the exact intended pixel values, along with change of OpenTTD Sans to use tabular lining numerals and minor bugfixes.
