Remove reserved_user when fetching users

components/device-mgt/io.entgra.device.mgt.core.device.mgt.api/src/main/java/io/entgra/device/mgt/core/device/mgt/api/jaxrs/service/impl/UserManagementServiceImpl.java

@@ -424,7 +424,7 @@ public class UserManagementServiceImpl implements UserManagementService {
             userList = new ArrayList<>(users.size());
             BasicUserInfo user;
             for (String username : users) {
-                if (Constants.APIM_RESERVED_USER.equals(username)) {
+                if (Constants.APIM_RESERVED_USER.equals(username) || Constants.RESERVED_USER.equals(username)) {
                     continue;
                 }
                 user = getBasicUserInfo(username);
@@ -489,6 +489,7 @@ public class UserManagementServiceImpl implements UserManagementService {
             }
             if (commonUsers != null) {
                 commonUsers.remove(Constants.APIM_RESERVED_USER);
+                commonUsers.remove(Constants.RESERVED_USER);
             }
 
             if (!skipSearch(commonUsers) && StringUtils.isNotEmpty(firstName)) {
@@ -664,7 +665,7 @@ public class UserManagementServiceImpl implements UserManagementService {
             userList = new ArrayList<>();
             UserInfo user;
             for (String username : users) {
-                if (Constants.APIM_RESERVED_USER.equals(username)) {
+                if (Constants.APIM_RESERVED_USER.equals(username) || Constants.RESERVED_USER.equals(username)) {
                     continue;
                 }
                 user = new UserInfo();

components/device-mgt/io.entgra.device.mgt.core.device.mgt.api/src/main/java/io/entgra/device/mgt/core/device/mgt/api/jaxrs/util/Constants.java

@@ -31,7 +31,8 @@ public class Constants {
 	public static final String USER_CLAIM_DEVICES = "http://wso2.org/claims/devices";
 	public static final String PRIMARY_USER_STORE = "PRIMARY";
 	public static final String APIM_RESERVED_USER = "apim_reserved_user";
-    public static final String DEFAULT_STREAM_VERSION = "1.0.0";
+	public static final String RESERVED_USER = "reserved_user";
+	public static final String DEFAULT_STREAM_VERSION = "1.0.0";
 	public static final String SCOPE = "scope";
 	public static final String JDBC_USERSTOREMANAGER = "org.wso2.carbon.user.core.jdbc.JDBCUserStoreManager";
 	public static final String DEFAULT_SIMPLE_DATE_FORMAT = "EEE, d MMM yyyy HH:mm:ss Z";