fix: rare crash when the os was not providing the current space id

src/logic/Spaces.swift

@@ -35,7 +35,7 @@ class Spaces {
         refreshCurrentSpaceId()
         currentSpaceIndex = idsAndIndexes.first { (spaceId: CGSSpaceID, _) -> Bool in
             spaceId == currentSpaceId
-        }!.1
+        }?.1 ?? SpaceIndex(1)
         debugPrint("Current space", currentSpaceId)
     }