chore: remove NSMainNibFile property to make tests more independent from electron version
chore: remove NSMainNibFile property to make tests more independent from electron version

develar/electron-builder,mastergberry/electron-builder,loopline-systems/electron-builder,mastergberry/electron-builder,loopline-systems/electron-builder,loopline-systems/electron-builder,loopline-systems/electron-builder,develar/electron-builder,electron-userland/electron-builder,loopline-systems/electron-builder,mastergberry/electron-builder,electron-userland/electron-builder,electron-userland/electron-builder,develar/electron-builder,develar/electron-builder,mastergberry/electron-builder