Fix sla runs without options specified (#6723)

Right now the benchmark doesn't run the actual tests even if there's no
input parameters

before fix:
https://github.com/mapbox/mapbox-sdk/actions/runs/17910660993
after this fix, it does:
https://github.com/mapbox/mapbox-sdk/actions/runs/17915571174 (this run
is cancelled manually)

cc @mapbox/sdk-ci
cc @mapbox/maps-ios

GitOrigin-RevId: 9ace182aada73cf0d45c1a41c8285142827f2829

Author: persidskiy

Sources/MapboxMaps/Documentation.docc/API Catalogs/Performance.md

@@ -10,6 +10,7 @@
 
 - ``MapRecorderOptions-struct``
 - ``MapPlayerOptions-struct``
+- ``PlaybackFinished``
 
 ### Performance recording