Merge pull request #2017 from iamfaran/fix/2005-input-validation

[Fix]: #2005 correctly show validation errors when 0

Author: raheeliftikhar5

client/packages/lowcoder/src/comps/controls/labelControl.tsx

@@ -254,7 +254,7 @@ export const LabelControl = (function () {
 
         {args.help && (
           args.showValidationWhenEmpty
-          || (!args.showValidationWhenEmpty && Boolean(inputValue))
+          || (!args.showValidationWhenEmpty && (inputValue !== null && inputValue !== undefined && inputValue !== ""))
         ) && (
           <HelpWrapper
             $marginLeft={