fix(config): set openidLoginEnabled from OpenID only so Solid-only shows one button

Stop setting openidLoginEnabled when only Solid is enabled so the login page
shows the Solid button only, not both OpenID and Solid.

Author: PreciousOritsedere

api/server/routes/config.js

@@ -76,8 +76,7 @@ router.get('/', async function (req, res) {
         !!process.env.APPLE_TEAM_ID &&
         !!process.env.APPLE_KEY_ID &&
         !!process.env.APPLE_PRIVATE_KEY_PATH,
-      // If Solid is enabled but OpenID is not, still show OpenID button since they use the same strategy
-      openidLoginEnabled: isOpenIdEnabled || isSolidEnabled,
+      openidLoginEnabled: isOpenIdEnabled,
       openidLabel: process.env.OPENID_BUTTON_LABEL || 'Continue with OpenID',
       openidImageUrl: process.env.OPENID_IMAGE_URL,
       openidAutoRedirect: isEnabled(process.env.OPENID_AUTO_REDIRECT),