fix(usage): show edited connection names consistently across views

Prefer edited name over provider email/displayName in Providers and
Quota Tracker; surface the provider-sourced email/display as secondary
text. Keeps fallbacks for legacy or unnamed connections.

Closes #1699

Co-authored-by: Cursor <cursoragent@cursor.com>

src/app/(dashboard)/dashboard/usage/components/ProviderLimits/utils.js

@@ -21,11 +21,10 @@ export const QUOTA_SORT_OPTIONS = [
 
 // ─── Pure helpers ─────────────────────────────────────────────────────────────
 export function getConnectionLabel(connection) {
-  const isEmail = (value) =>
-    typeof value === "string" && /^[^\s@]+@[^\s@]+\.[^\s@]+$/.test(value);
-  if (isEmail(connection.email)) return connection.email;
-  if (isEmail(connection.name)) return connection.name;
-  return connection.name;
+  return connection.name?.trim()
+    || connection.email?.trim()
+    || connection.displayName?.trim()
+    || null;
 }
 
 export function getConnectionQuotaRemaining(connection, quotaData) {