fixing platform configuration appearing twice issue.

components/device-mgt/org.wso2.carbon.device.mgt.api/src/main/java/org/wso2/carbon/device/mgt/jaxrs/service/impl/ConfigurationServiceImpl.java

@@ -59,8 +59,8 @@ public class ConfigurationServiceImpl implements ConfigurationManagementService
             List<ConfigurationEntry> configList = config.getConfiguration();
             if (configList == null) {
                 configList = new ArrayList<>();
-            }
                 configList.add(configurationEntry);
+            }
             config.setConfiguration(configList);
             return Response.status(Response.Status.OK).entity(config).build();
         } catch (ConfigurationManagementException | PolicyManagementException e) {

components/device-mgt/org.wso2.carbon.device.mgt.common/src/main/java/org/wso2/carbon/device/mgt/common/search/Condition.java

@@ -78,7 +78,7 @@ public class Condition {
                       required = true)
     public String operator;
 
-    @ApiModelProperty(name = "conditions", value = "There can be many search options as shown in the sample JSON " +
+    @ApiModelProperty(name = "state", value = "There can be many search options as shown in the sample JSON " +
                                                    "definition. The field that connects the independent search " +
                                                    "options, is known as state.\n" +
                                                    "The following values can be assigned to state.\n" +