Share LoadGlyph implementations
Share LoadGlyph implementations

Previously there were two separate but intended-to-be-identical
implementations. Now the two implementations simply delegate to a
single, shared method. This should help correctness issues in the
future.

jwilm/alacritty,jwilm/alacritty,alacritty/alacritty,jwilm/alacritty,jwilm/alacritty,alacritty/alacritty