all modules: fix `font.bold: true` to `font.weight: Font.DemiBold`

tower: https://tower.im/projects/8f19f0bf0e754f0b82ef2c24bc230973/todos/9eec4289552d4344824be71be58bc089/

Change-Id: I12a0c2031a6e1bfd29175f1325c486bef04e8f2b