sdl2: Convert hardcoded font size 14 uses to dynamic ones
Convert all "adj_font(14)" uses in sdl2-client so that the font size is relative to theme provided font.
Patches for all branches, including S2_6, attached.
Rebased patches for S3_0 - main attached.
Pushed to main/S3_2/S3_1. Older branches waiting for the 3.0.8 to release first.
Convert all "adj_font(14)" uses in sdl2-client so that the font size is relative to theme provided font.