Fixed mismatched userId on field expert for claim

src/core/config/config.schema.ts

@@ -2,10 +2,12 @@ import {
   IsBooleanString,
   IsEnum,
   IsNumber,
+  IsNumberString,
   IsOptional,
   IsPositive,
   IsString,
   IsUrl,
+  Length,
   Matches,
   Max,
   Min,
@@ -80,9 +82,11 @@ export class EnvironmentVariables {
   JWT_EXPIRY: StringValue;
 
   // --------------------------------------------------------- //
+
   @IsString({ message: "HASH_PEPPER must be string" })
   @IsOptional()
   HASH_PEPPER?: string;
+
   // --------------------------------------------------------- //
 
   @IsOptional()