Fix delombok package not exists error with proto generated files (#2083)

Fix javadoc & suppress no comments warning
Fix terminal interaction in IDEA
Update lombok onMethod to JDK8 version
Some code reformat

src/main/java/emu/grasscutter/game/entity/EntityClientGadget.java

@@ -25,7 +25,7 @@ import lombok.Getter;
 public class EntityClientGadget extends EntityBaseGadget {
     @Getter private final Player owner;
 
-    @Getter(onMethod = @__(@Override))
+    @Getter(onMethod_ = @Override)
     private int gadgetId;
 
     @Getter private int campId;