Debugger: Make more dumper work without debuginfo

Change-Id: I2ff23b81dc27be1052c36cffb7ad16dbea6fa339
Reviewed-by: hjk <hjk121@nokiamail.com>
Fix translation context of "Attach to process".

Task-number: QTCREATORBUG-9712
Change-Id: Ib46e4c91a520044bfa9fb717edecee167b68076e
Reviewed-by: hjk <hjk121@nokiamail.com>