chore: show TheCloud instead of Floci in console text and messages

Labels, empty states, error messages and defaults the console shows now name
TheCloud or its runtimes. Identifiers that must match the emulator (FLOCI_*
settings, the X-Floci-CSRF header, emulator-returned host names) are unchanged.

packages/frontend/src/features/secretsmanager/SecretsManagerPage.tsx

@@ -729,7 +729,7 @@ export function SecretsManagerPage() {
             <h3>Secrets</h3>
           </div>
           {query.isError ? (
-            <EmptyState icon={KeyRound} title="Cannot load secrets" description="Secrets Manager did not respond from the Floci endpoint." />
+            <EmptyState icon={KeyRound} title="Cannot load secrets" description="Secrets Manager did not respond from TheCloud's runtime." />
           ) : query.isLoading ? (
             <div className="empty"><p>Loading secrets…</p></div>
           ) : secrets.length === 0 ? (