[1.2.0] Incorrect serialization of effects config

[Leo40Git]

https://github.com/Queerbric/Inspecio/blob/v1.2.0%2B1.18/src/main/java/io/github/queerbric/inspecio/InspecioConfig.java#L347

This should probably be EffectsConfig::hasBeacon, and not EffectsConfig::hasHiddenMotion.