fix(application-form): give menu permanent lifespan

Since application menus where users are going to apply from are going to
be permanent, we need their component IDs to not expire by the cache.

Previously there was a problem while testing where the already-existing
menus would expire and the Discord client would complain.

Refs: Together-Java#1024

application/src/main/java/org/togetherjava/tjbot/features/basic/ApplicationCreateCommand.java

@@ -338,7 +338,7 @@ private void sendMenu(final CommandInteraction event) {
         MessageEmbed embed = createApplicationEmbed();
 
         StringSelectMenu.Builder menuBuilder = StringSelectMenu
-            .create(generateComponentId(Lifespan.REGULAR, event.getUser().getId()))
+            .create(generateComponentId(Lifespan.PERMANENT, event.getUser().getId()))
             .setPlaceholder("Select role to apply for")
             .setRequiredRange(1, 1);