[electron-rebuild] Allow providing modules as argument, don’t require modified package.json
[electron-rebuild] Allow providing modules as argument, don’t require modified package.json

Signed-off-by: Sven Efftinge <4d4cca3ab9a300a7bfb926d62ac5a20be54bf033@typefox.io>

lmcgupe/theia,epatpol/theia-1,hexa00/theia,lmcgupe/theia,epatpol/theia-1,hexa00/theia,epatpol/theia-1