Verify mandatory indicator (*) for Reference field while creating a Tenant

src/components/Tenant/OrganizationInfo.jsx

@@ -181,7 +181,7 @@ const OrganizationInfo = ({ onNext, onPrev, onSubmitTenant }) => {
       </div>
 
       <div className="col-sm-6">
-        <Label htmlFor="reference">Reference</Label>
+        <Label htmlFor="reference" required>Reference</Label>
         <select
           id="reference"
           className="form-select shadow-none border py-1 px-2 small"