Don't generate a help topic for the namespaced version

This should be reverted if we think we should

Author: DerEchtePilz

commandapi-platforms/commandapi-bukkit/commandapi-bukkit-core/src/main/java/dev/jorel/commandapi/CommandAPIBukkit.java

@@ -354,10 +354,16 @@ private String[] getUsageList(RegisteredCommand currentCommand) {
 
 	void updateHelpForCommands(List<RegisteredCommand> commands) {
 		Map<String, HelpTopic> helpTopicsToAdd = new HashMap<>();
+		List<String> namespacedCommandNames = new ArrayList<>();
 
 		for (RegisteredCommand command : commands) {
 			// Don't override the plugin help topic
 			String commandPrefix = generateCommandHelpPrefix(command.commandName());
+
+			// Namespaced commands shouldn't have a namespace, we should save the namespaced command name
+			commandPrefix = commandPrefix.substring(1); // Get rid of the '/' for the namespaced command
+			namespacedCommandNames.add("/" + command.namespace() + ":" + commandPrefix); // Bukkit it stupid, it registers commands with a '/' in the help map
+			
 			StringBuilder aliasSb = new StringBuilder();
 			final String shortDescription;
 
@@ -418,13 +424,22 @@ void updateHelpForCommands(List<RegisteredCommand> commands) {
 					// Don't override the plugin help topic
 					commandPrefix = generateCommandHelpPrefix(alias);
 					helpTopic = generateHelpTopic(commandPrefix, shortDescription, currentAliasSb.toString().trim(), permission);
+
+					// Namespaced commands shouldn't have a namespace, we should save the namespaced command name
+					commandPrefix = commandPrefix.substring(1); // Get rid of the '/' for the namespaced command
+					namespacedCommandNames.add("/" + command.namespace() + ":" + commandPrefix); // Bukkit it stupid, it registers commands with a '/' in the help map
 				}
 				helpTopicsToAdd.put(commandPrefix, helpTopic);
 			}
 		}
 
 		// We have to use helpTopics.put (instead of .addTopic) because we're overwriting an existing help topic, not adding a new help topic
 		getHelpMap().putAll(helpTopicsToAdd);
+
+		// We also have to remove help topics for namespaced command names
+		for (String namespacedCommandName : namespacedCommandNames) {
+			getHelpMap().remove(namespacedCommandName);
+		}
 	}
 
 	private void fixNamespaces() {