Did the SNP leak the Salmond inquiry report?

Cast your minds back to March 2021. Back then, Britain was emerging from lockdown, the Americans were in place in Afghanistan and Thorntons still had shops. Up in Edinburgh meanwhile, the Salmond Inquiry was raging. The timely leak from a parliamentary committee which concluded that Nicola Sturgeon had misled Holyrood prompted a flurry of accusations as to who was responsible.