🔧 chore: update backwards compatible serializer registration in SpongeConfigManager

- add comment to clarify exception handling for OLD_CONFIG_SERIALIZABLE_ANNOTATION
- ensure serializers are registered only when necessary

Author: twisti-dev

surf-api-core/surf-api-core/src/main/kotlin/dev/slne/surf/api/core/config/manager/SpongeConfigManager.kt

@@ -243,7 +243,7 @@ class SpongeConfigManager<C> private constructor(
                         surfSpongeConfigSerializers.buildSerializersModule().accept(serializers)
 
                         try {
-                            OldSpongeReflections.OLD_CONFIG_SERIALIZABLE_ANNOTATION
+                            OldSpongeReflections.OLD_CONFIG_SERIALIZABLE_ANNOTATION // If this throws an exception, there are no none relocated annotations, no need to register — most likely the standalone version
                             serializers.registerBackwardsCompatibleSerializers()
                         } catch (_: Exception) {
                             // no none relocated annotations, no need to register