main: add both 'any' and 'maskable' icons to manifest by default (d7b488d), closes #725
main: fix wrong icons file name when 'pathOverride' option is used (25cef00), closes #723
BREAKING CHANGES
main: In addition to 2 icons with maskable purpose in the manifest file, 2 more icon
entries of the same icons with any purpose is added to the manifest output.