Bagged so called compost is unfortunately no guarantee of quality .
What you have looks like wet food fibres & muck enriched with a know level of nutrients . If it had had sufficient heat produced during the composting cycle the fungi would have not been there .
The Spores & roots ... ( Mycellium ( sp ) ) will be all through the bags contents .
I won't use it in my UV lit heated propagation bedset up .
What we have done for the bed & Munchkin's bedroom succulents is to get a bucket, half fill it with such a type of " compost " and then poured two kettles of boiling water in the bucket & stirred it in .
Cover it , leave overnight to cool , pour it out on to a clean but old bed sheet and make a ball to squeeze the excess water out . Put the sterile compost in a dish drops & hot water washed seed tray that has been well rinsed in clean tap water . We then sowed the seeds in it , keeping them well apart & ever so slightly dry , as too wet usually causes rot and or mould aka " damping off" at the base of the stems .