fix(auth): enable dev email login testing

src/app/auth/components/auth-panel.tsx

@@ -18,6 +18,8 @@ export function AuthPanel() {
 
   const switchToFacebook = () =>
     dispatch({ type: "AuthPanelModeChanged", mode: "facebook" });
+  const switchToEmail = () =>
+    dispatch({ type: "AuthPanelModeChanged", mode: "email" });
 
   const handleBack = () => {
     if (state.authPanelMode === "email") {
@@ -32,7 +34,7 @@ export function AuthPanel() {
       <AuthBackButton onClick={handleBack} />
 
       {state.authPanelMode === "facebook" ? (
-        <AuthFacebookPanel />
+        <AuthFacebookPanel onSwitchToEmail={switchToEmail} />
       ) : (
         <AuthEmailPanel
           onSwitchToFacebook={() => {