Fix: rename handleCompanyRegistration to submitCompanyRegistration

Author: simpaticohr

auth/register-company.html

@@ -189,7 +189,7 @@ <h3 style="font-size: 1rem; margin-bottom: 1rem;">Setup Preferences</h3>
           </div>
           <div style="display: flex; gap: 0.75rem;">
             <button class="btn btn-secondary" onclick="goToStep(2)"><i class="fas fa-arrow-left"></i> Back</button>
-            <button class="btn btn-primary" style="flex:1;" onclick="handleCompanyRegistration()" id="registerBtn">
+            <button class="btn btn-primary" style="flex:1;" onclick="submitCompanyRegistration()" id="registerBtn">
               <i class="fas fa-rocket"></i> Create Account
             </button>
           </div>