Fix update query not committing issue in RoleDAO.

Author: UdeshAthukorala

components/role-mgt/org.wso2.carbon.identity.role.v2.mgt.core/src/main/java/org/wso2/carbon/identity/role/v2/mgt/core/dao/RoleDAOImpl.java

@@ -1032,7 +1032,7 @@ public void addMainRoleToSharedRoleRelationship(String mainRoleUUID, String shar
 
         int mainRoleUMId = 0;
         int sharedRoleUMId = 0;
-        try (Connection connection = IdentityDatabaseUtil.getUserDBConnection(false)) {
+        try (Connection connection = IdentityDatabaseUtil.getUserDBConnection(true)) {
             try (NamedPreparedStatement stmt = new NamedPreparedStatement(connection, GET_ROLE_UM_ID_BY_UUID)) {
                 stmt.setString(RoleConstants.RoleTableColumns.UM_UUID, mainRoleUUID);
                 ResultSet resultSet = stmt.executeQuery();
@@ -1069,7 +1069,9 @@ public void addMainRoleToSharedRoleRelationship(String mainRoleUUID, String shar
                 preparedStatement.setInt(RoleConstants.RoleTableColumns.UM_SHARED_ROLE_TENANT_ID, sharedRoleTenantId);
                 preparedStatement.setInt(RoleConstants.RoleTableColumns.UM_MAIN_ROLE_TENANT_ID, mainRoleTenantId);
                 preparedStatement.executeUpdate();
+                IdentityDatabaseUtil.commitUserDBTransaction(connection);
             } catch (SQLException e) {
+                IdentityDatabaseUtil.rollbackUserDBTransaction(connection);
                 String message = "Error while adding the role relationship of role: %s.";
                 throw new IdentityRoleManagementServerException(RoleConstants.Error.UNEXPECTED_SERVER_ERROR.getCode(),
                         String.format(message, sharedRoleName), e);