Australia’s largest speciality fashion retailer has faced a A$29,000 (US$18,875) fine for underpaying its workers for long service leave.  Mosaic Brands, which has 1,110 stores nationally, including Millers, Rivers, Katies, Rockmans and Noni B, pleaded guilty to 324 offences in Downing Centre Local Court. The court issued the fine on Monday.  This is the record…