Validation fixes

common/data/src/main/java/org/thingsboard/server/common/data/User.java

@@ -36,7 +36,7 @@ public class User extends SearchTextBasedWithAdditionalInfo<UserId> implements H
     private String email;
     private Authority authority;
     @NoXss
-    @Length(fieldName = "firs name")
+    @Length(fieldName = "first name")
     private String firstName;
     @NoXss
     @Length(fieldName = "last name")

common/data/src/main/java/org/thingsboard/server/common/data/widget/WidgetsBundle.java

@@ -28,6 +28,7 @@ public class WidgetsBundle extends SearchTextBased<WidgetsBundleId> implements H
 
     private TenantId tenantId;
     @NoXss
+    @Length(fieldName = "alias")
     private String alias;
     @NoXss
     @Length(fieldName = "title")

dao/src/main/java/org/thingsboard/server/dao/service/StringLengthValidator.java

@@ -31,7 +31,7 @@ public class StringLengthValidator implements ConstraintValidator<Length, String
         if (StringUtils.isEmpty(value)) {
             return true;
         }
-        return value.trim().length() <= max;
+        return value.length() <= max;
     }
 
     @Override