[layoutrestorer] Catch and ignore failing widget factories (fixes #564)
[layoutrestorer] Catch and ignore failing widget factories (fixes #564)

Signed-off-by: Sven Efftinge <4d4cca3ab9a300a7bfb926d62ac5a20be54bf033@typefox.io>
epatpol/theia-1,epatpol/theia-1,hexa00/theia,epatpol/theia-1,hexa00/theia