New chat events for better Adventure support (#5289)

Bump Adventure to 4.6.0

fixes #5216
fixes #5261
fixes #5287

Spigot-API-Patches/0201-World-view-distance-api.patch

@@ -0,0 +1,45 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Spottedleaf <Spottedleaf@users.noreply.github.com>
+Date: Tue, 5 May 2020 21:28:01 -0700
+Subject: [PATCH] World view distance api
+
+
+diff --git a/src/main/java/org/bukkit/World.java b/src/main/java/org/bukkit/World.java
+index 5c004fddaaeb41f966ace1e169103ecfb082a197..eb2b5ae9b66f8ce8adc548f0913c54729a822018 100644
+--- a/src/main/java/org/bukkit/World.java
++++ b/src/main/java/org/bukkit/World.java
+@@ -3414,6 +3414,34 @@ public interface World extends PluginMessageRecipient, Metadatable, net.kyori.ad
+     int getViewDistance();
+     // Spigot end
+ 
++    // Paper start - view distance api
++    /**
++     * Sets the view distance for this world.
++     * @param viewDistance view distance in [2, 32]
++     */
++    void setViewDistance(int viewDistance);
++
++    /**
++     * Returns the no-tick view distance for this world.
++     * <p>
++     * No-tick view distance is the view distance where chunks will load, however the chunks and their entities will not
++     * be set to tick.
++     * </p>
++     * @return The no-tick view distance for this world.
++     */
++    int getNoTickViewDistance();
++
++    /**
++     * Sets the no-tick view distance for this world.
++     * <p>
++     * No-tick view distance is the view distance where chunks will load, however the chunks and their entities will not
++     * be set to tick.
++     * </p>
++     * @param viewDistance view distance in [2, 32]
++     */
++    void setNoTickViewDistance(int viewDistance);
++    // Paper end - view distance api
++
+     // Spigot start
+     public class Spigot {
+