[DDW-604] Flattens daedalusTheme object for consumption in ThemeManager.js
[DDW-604] Flattens daedalusTheme object for consumption in ThemeManager.js

input-output-hk/daedalus,input-output-hk/daedalus,input-output-hk/daedalus,input-output-hk/daedalus,input-output-hk/daedalus,input-output-hk/daedalus