[BI-1910] Forcing row to be uppercase when saving

src/main/java/org/breedinginsight/brapps/importer/model/imports/sample/SampleSubmissionImport.java

@@ -143,7 +143,7 @@ public BrAPISample constructBrAPISample(boolean commit, Program program, User us
                 .plateDbId(plate.getPlateDbId())
                 .sampleName(generateSampleName(germplasm, plate))
                 .germplasmDbId(germplasm.getGermplasmDbId())
-                .row(row)
+                .row(row.toUpperCase())
                 .column(Integer.valueOf(column))
                 .tissueType(tissue)
                 .sampleDescription(comments);