Add Mapper support for Enum Parameters

SpigotCore_Main/src/de/steamwar/command/SubCommand.java

@@ -55,7 +55,8 @@ class SubCommand {
                 clazz = clazz.getComponentType();
             }
 
-            if (clazz.isEnum()) {
+            SWCommand.Mapper mapper = parameter.getAnnotation(SWCommand.Mapper.class);
+            if (clazz.isEnum() && mapper == null) {
                 Class<Enum<?>> enumClass = (Class<Enum<?>>) clazz;
                 List<String> tabCompletes = new ArrayList<>();
                 for (Enum<?> enumConstant : enumClass.getEnumConstants()) {
@@ -76,7 +77,6 @@ class SubCommand {
             }
 
             String name = clazz.getTypeName();
-            SWCommand.Mapper mapper = parameter.getAnnotation(SWCommand.Mapper.class);
             if (mapper != null) {
                 name = mapper.value();
             }