Fix #3145 JEI fails to load on Forge server

Forge/src/main/java/mezz/jei/forge/JustEnoughItems.java

@@ -28,7 +28,7 @@ public JustEnoughItems() {
 		JustEnoughItemsCommon jeiCommon = new JustEnoughItemsCommon(networkHandler, serverConfig);
 		jeiCommon.register(subscriptions);
 
-		JustEnoughItemsClient jeiClient = new JustEnoughItemsClient(networkHandler, subscriptions, serverConfig);
-		DistExecutor.safeRunWhenOn(Dist.CLIENT, () -> jeiClient::register);
+		JustEnoughItemsClientSafeRunner clientSafeRunner = new JustEnoughItemsClientSafeRunner(networkHandler, subscriptions, serverConfig);
+		DistExecutor.safeRunWhenOn(Dist.CLIENT, () -> clientSafeRunner::registerClient);
 	}
 }

Forge/src/main/java/mezz/jei/forge/JustEnoughItemsClientSafeRunner.java

@@ -0,0 +1,26 @@
+package mezz.jei.forge;
+
+import mezz.jei.common.config.IServerConfig;
+import mezz.jei.forge.events.PermanentEventSubscriptions;
+import mezz.jei.forge.network.NetworkHandler;
+
+public class JustEnoughItemsClientSafeRunner {
+	private final NetworkHandler networkHandler;
+	private final PermanentEventSubscriptions subscriptions;
+	private final IServerConfig serverConfig;
+
+	public JustEnoughItemsClientSafeRunner(
+		NetworkHandler networkHandler,
+		PermanentEventSubscriptions subscriptions,
+		IServerConfig serverConfig
+	) {
+		this.networkHandler = networkHandler;
+		this.subscriptions = subscriptions;
+		this.serverConfig = serverConfig;
+	}
+
+	public void registerClient() {
+		JustEnoughItemsClient jeiClient = new JustEnoughItemsClient(networkHandler, subscriptions, serverConfig);
+		jeiClient.register();
+	}
+}