Fix default ChatRenderer when no plugins are installed (#5702)

Spigot-API-Patches/Adventure.patch

@@ -191,8 +191,6 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 + */
 +@FunctionalInterface
 +public interface ChatRenderer {
-+    ChatRenderer DEFAULT = viewerUnaware((source, sourceDisplayName, message) -> Component.translatable("chat.type.text", sourceDisplayName, message));
-+
 +    /**
 +     * Renders a chat message. This will be called once for each receiving {@link Audience}.
 +     *
@@ -206,6 +204,16 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +    Component render(@NotNull Player source, @NotNull Component sourceDisplayName, @NotNull Component message, @NotNull Audience viewer);
 +
 +    /**
++     * Create a new instance of the default {@link ChatRenderer}.
++     *
++     * @return a new {@link ChatRenderer}
++     */
++    @NotNull
++    static ChatRenderer defaultRenderer() {
++        return viewerUnaware((source, sourceDisplayName, message) -> Component.translatable("chat.type.text", sourceDisplayName, message));
++    }
++
++    /**
 +     * Creates a new viewer-unaware {@link ChatRenderer}, which will render the chat message a single time,
 +     * displaying the same rendered message to every viewing {@link Audience}.
 +     *