bugfix: fix region issues on sql and mysql.

Author: shenqianjin

PluginsAndFeatures/azure-toolkit-for-intellij/src/com/microsoft/azure/toolkit/intellij/sqlserver/common/SqlServerRegionValidator.java

@@ -27,6 +27,7 @@ public AzureValidationInfo apply(RegionComboBox comboBox) {
                 return AzureValidationInfo.OK;
             }
         } catch (ManagementException e) {
+            return AzureValidationInfo.builder().input(comboBox).message(e.getMessage()).type(AzureValidationInfo.Type.ERROR).build();
         }
         final AzureValidationInfo.AzureValidationInfoBuilder builder = AzureValidationInfo.builder();
         return builder.input(comboBox).message(REGION_UNAVAILABLE_MESSAGE).type(AzureValidationInfo.Type.ERROR).build();