Enable Spaces by default.

libraries/featureflag/api/src/main/kotlin/io/element/android/libraries/featureflag/api/FeatureFlags.kt

@@ -71,8 +71,7 @@ enum class FeatureFlags(
     Space(
         key = "feature.space",
         title = "Spaces",
-        description = "Spaces are under active development, only developers should enable this flag for now.",
+        defaultValue = { true },
-        defaultValue = { false },
         isFinished = false,
     ),
     PrintLogsToLogcat(