changed m3 and dm3 to fixedUnit, fixes #10920 (#10944)

public/app/core/specs/kbn.jest.ts

@@ -348,3 +348,10 @@ describe('duration', function() {
     expect(str).toBe('1 year, 2 months, 0 weeks, 3 days, 4 hours, 5 minutes, 6 seconds, 7 milliseconds');
   });
 });
+
+describe('volume', function() {
+  it('1000m3', function() {
+    var str = kbn.valueFormats['m3'](1000, 1, null);
+    expect(str).toBe('1000.0 m3');
+  });
+});

public/app/core/utils/kbn.ts

@@ -547,8 +547,8 @@ kbn.valueFormats.accG = kbn.formatBuilders.fixedUnit('g');
 // Volume
 kbn.valueFormats.litre = kbn.formatBuilders.decimalSIPrefix('L');
 kbn.valueFormats.mlitre = kbn.formatBuilders.decimalSIPrefix('L', -1);
-kbn.valueFormats.m3 = kbn.formatBuilders.decimalSIPrefix('m3');
-kbn.valueFormats.dm3 = kbn.formatBuilders.decimalSIPrefix('dm3');
+kbn.valueFormats.m3 = kbn.formatBuilders.fixedUnit('m3');
+kbn.valueFormats.dm3 = kbn.formatBuilders.fixedUnit('dm3');
 kbn.valueFormats.gallons = kbn.formatBuilders.fixedUnit('gal');
 
 // Flow