cape_open_error wants underlying object for COBIAERR_CAPEOPENError

[jasper]

COBIA's implementation of cape_open_error has a constructor

cape_open_error(CapeResult _errorCode,ICapeInterface *object=nullptr):

This constructor, for COBIAERR_CAPEOPENError wants the object to be non-null to ask it for the error that caused this.

The constructor for COMBIA's COM_error however uses COBIAERR_CAPEOPENError without passing an underlying object. As assert fires here.

[jasper]

Resolved with change sets 1176573 and 024fe60