fixedUnit for Flow:l/min and mL/min

got stranged result with decimalSIPrefix

public/app/core/utils/kbn.ts

@@ -590,8 +590,8 @@ kbn.valueFormats.flowcms = kbn.formatBuilders.fixedUnit('cms');
 kbn.valueFormats.flowcfs = kbn.formatBuilders.fixedUnit('cfs');
 kbn.valueFormats.flowcfm = kbn.formatBuilders.fixedUnit('cfm');
 kbn.valueFormats.litreh = kbn.formatBuilders.fixedUnit('l/h');
-kbn.valueFormats.flowlpm = kbn.formatBuilders.decimalSIPrefix('l/min');
-kbn.valueFormats.flowmlpm = kbn.formatBuilders.decimalSIPrefix('mL/min', -1);
+kbn.valueFormats.flowlpm = kbn.formatBuilders.fixedUnit('l/min');
+kbn.valueFormats.flowmlpm = kbn.formatBuilders.fixedUnit('mL/min');
 
 // Angle
 kbn.valueFormats.degree = kbn.formatBuilders.fixedUnit('°');