[BUG] Throws an error when the PartBeamFormer connects to another network containing a security terminal, but does not crash the game.

[KasumiNova]

[20:06:56] [Server thread/ERROR] [AE2:S]: Exception: 
appeng.api.exceptions.SecurityConnectionException: Connection failed due to different security realms.
	at appeng.me.GridConnection.create(GridConnection.java:221) ~[GridConnection.class:?]
	at appeng.core.api.ApiGrid.createGridConnection(ApiGrid.java:57) ~[ApiGrid.class:?]
	at co.neeve.nae2.common.parts.implementations.PartBeamFormer.connect(PartBeamFormer.java:203) ~[PartBeamFormer.class:?]
	at co.neeve.nae2.common.parts.implementations.PartBeamFormer.tickingRequest(PartBeamFormer.java:391) [PartBeamFormer.class:?]
	at appeng.me.cache.TickManagerCache.onUpdateTick(TickManagerCache.java:91) [TickManagerCache.class:?]
	at appeng.me.GridCacheWrapper.onUpdateTick(GridCacheWrapper.java:40) [GridCacheWrapper.class:?]
	at appeng.me.Grid.update(Grid.java:229) [Grid.class:?]
	at appeng.hooks.TickHandler.onTick(TickHandler.java:199) [TickHandler.class:?]
	at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_1966_TickHandler_onTick_TickEvent.invoke(.dynamic) [?:git-CatServer-1.12.2-dae70adc]
	at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:90) [ASMEventHandler.class:git-CatServer-1.12.2-dae70adc]
	at com.github.terminatornl.laggoggles.tickcentral.EventBusTransformer.redirectEvent(EventBusTransformer.java:67) [%5B性能分析器%5DLagGoggles-1.12.2-5.8-132.jar:?]
	at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:190) [EventBus.class:git-CatServer-1.12.2-dae70adc]
	at net.minecraftforge.fml.common.FMLCommonHandler.onPostServerTick(FMLCommonHandler.java:268) [FMLCommonHandler.class:git-CatServer-1.12.2-dae70adc]
	at net.minecraft.server.MinecraftServer.tick(MinecraftServer.java:890) [MinecraftServer.class:?]
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:693) [MinecraftServer.class:?]
	at java.lang.Thread.run(Thread.java:750) [?:1.8.0_371]