Hold down the place the picture is looked for

The suite proved a picture was drawn somewhere on the page. Where it belongs
is the account button at the top of the sidebar — the person icon's place —
so that is what the check now names.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

e2e/oidc.mjs

@@ -101,6 +101,13 @@ try {
   check(created?.signsInWithProvider === true, "and has no password of its own");
   check(created?.linkedToProvider === true, "and is marked as belonging to the provider");
 
+  /* The picture belongs where the person icon was: in the account button at the
+     top of the sidebar. That is the place it is looked for. */
+  check(
+    (await page.locator('[title="Account"] [data-avatar]').count()) === 1,
+    "the account button in the sidebar wears the picture instead of the person icon"
+  );
+
   /* ── what the two people involved see ──
    * The one signing in: no password tab, because there is no password behind
    * it. The administrator: which accounts these are, without asking anybody. */