fdo#74495: gbuild: AutoInstall: add support for ComponentCondition

... via new scp2 macro LIBO_LIB_FILE_COMPONENTCONDITION.

(regression from 2feb756dd5ff486a3972cf676f6f1d07017bf0f6)

Change-Id: I6ab30cc1c14c34bd7dc1325e3f98d972544e7eea