Reimplement command fixes in 1.19.4

Author: GeorgeRNG

src/main/java/io/github/techstreet/dfscript/mixin/game/MClientPlayNetworkHandler.java

@@ -95,8 +95,8 @@ private void chat(String content, CallbackInfo ci) {
         }
     }
 
-    @Inject(method = "sendCommand(Ljava/lang/String;)Z", at = @At("HEAD"), cancellable = true)
-    private void command(String command, CallbackInfoReturnable<Boolean> ci) {
+    @Inject(method = "sendChatCommand", at = @At("HEAD"), cancellable = true)
+    private void command(String command, CallbackInfo ci) {
         if(command.startsWith("scripts")) return;
         SendChatEvent event = new SendChatEvent("/"+command);
         EventManager.getInstance().dispatch(event);

src/main/java/io/github/techstreet/dfscript/script/event/ScriptEventType.java

@@ -14,7 +14,7 @@
 
 public enum ScriptEventType {
 
-    SEND_CHAT(SendChatEvent.class,"OnSendChat", "Executed when a player sends a chat message.", Items.BOOK),
+    SEND_CHAT(SendChatEvent.class,"OnSendChat", "Executed when a player sends a chat message or command.", Items.BOOK),
 
     KEY_PRESS(KeyPressEvent.class, "OnKeyPress", "Executed when a player presses a key.", Items.STONE_BUTTON),