GH-394 Add combat sign editing blocker

[vLuckyyy]

No description provided.

[gemini-code-assist]

Code Review

This pull request introduces a feature to prevent players from editing signs during combat, specifically addressing sign traps that block ender pearl throws. It adds the SignEditingBlocker listener, configuration settings under SignEditingSettings, and corresponding unit tests. The review feedback recommends adjusting the event handler priority to EventPriority.LOW to ensure that other protection plugins (such as WorldGuard) can properly override the interaction states if needed.

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[gemini-code-assist]

Import EventPriority to support setting a lower priority on the event handler.

Suggested change

	import org.bukkit.event.EventHandler;
	import org.bukkit.event.Event.Result;
	import org.bukkit.event.Listener;
	import org.bukkit.event.EventHandler;
	import org.bukkit.event.EventPriority;
	import org.bukkit.event.Event.Result;
	import org.bukkit.event.Listener;

[gemini-code-assist]

To prevent potential bypasses of region protection or other plugins that restrict Ender Pearl usage (e.g., WorldGuard region flags banning pearls), it is highly recommended to run this event handler at a lower priority like EventPriority.LOW. This ensures that SignEditingBlocker sets its default allowed/denied states first, allowing other protection plugins running at NORMAL or higher to override them if necessary.

Suggested change

	@EventHandler
	void onInteract(PlayerInteractEvent event) {
	@EventHandler(priority = EventPriority.LOW)
	void onInteract(PlayerInteractEvent event) {