fixed UserController getUsersByIds method

application/src/main/java/org/thingsboard/server/controller/UserController.java

@@ -599,7 +599,7 @@ public class UserController extends BaseController {
 
     @ApiOperation(value = "Get Users By Ids (getUsersByIds)",
             notes = "Requested users must be owned by tenant or assigned to customer which user is performing the request. ")
-    @PreAuthorize("hasAnyAuthority('SYS_ADMIN', 'TENANT_ADMIN', 'CUSTOMER_USER')")
+    @PreAuthorize("hasAnyAuthority('TENANT_ADMIN', 'CUSTOMER_USER')")
     @GetMapping(value = "/users", params = {"userIds"})
     public List<User> getUsersByIds(
             @Parameter(description = "A list of user ids, separated by comma ','", array = @ArraySchema(schema = @Schema(type = "string")), required = true)

application/src/test/java/org/thingsboard/server/controller/UserControllerTest.java

@@ -269,7 +269,7 @@ public class UserControllerTest extends AbstractControllerTest {
 
     @Test
     public void testFindUsersByIds() throws Exception {
-        loginSysAdmin();
+        loginTenantAdmin();
         List<User> savedUsers = new ArrayList<>();
         for (int i = 0; i < 10; i++) {
             User user = createTenantAdminUser();