fix(max-length): use @ to differentiate bw lengths

Author: huzaifaedhi22

src/app/utils/validation.ts

@@ -243,19 +243,23 @@ export const VALIDATION_USERNAME_OR_EMAIL = ({
 }: {
   isRequired?: boolean
 }) => ({
-  format: (value) => {
+  format: (value: string) => {
     if (!value) return true
     if (value.includes('@')) {
       return email.$validator(value, undefined, undefined)
     } else {
       return VALIDATION_FORMAT_SLUG(value)
     }
   },
-  lengthMax: maxLength(
-    Math.min(
-      VALIDATION_USERNAME_LENGTH_MAXIMUM,
-      VALIDATION_EMAIL_ADDRESS_LENGTH_MAXIMUM,
-    ),
-  ),
+  lengthMax: {
+    $validator: (value: string) => {
+      if (!value) return true
+      if (value.includes('@')) {
+        return value.length <= VALIDATION_EMAIL_ADDRESS_LENGTH_MAXIMUM
+      } else {
+        return value.length <= VALIDATION_USERNAME_LENGTH_MAXIMUM
+      }
+    },
+  },
   ...(isRequired ? { required } : {}),
 })