Add API for waxed signs (#9291)

patches/api/0417-Add-API-for-waxed-signs.patch

@@ -0,0 +1,48 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Jake Potrebic <jake.m.potrebic@gmail.com>
+Date: Thu, 8 Jun 2023 23:22:31 -0700
+Subject: [PATCH] Add API for waxed signs
+
+
+diff --git a/src/main/java/org/bukkit/block/Sign.java b/src/main/java/org/bukkit/block/Sign.java
+index abefc7a96528c52434bd7d4eef3be63c5e31e770..dd4d8f24e684a9c3cb1e41e8d0bf615111a17ba3 100644
+--- a/src/main/java/org/bukkit/block/Sign.java
++++ b/src/main/java/org/bukkit/block/Sign.java
+@@ -95,7 +95,9 @@ public interface Sign extends TileState, Colorable {
+      * outside of this event is undefined.
+      *
+      * @return if this sign is currently editable
++     * @deprecated use {@link #isWaxed()}
+      */
++    @Deprecated // Paper
+     public boolean isEditable();
+ 
+     /**
+@@ -106,9 +108,27 @@ public interface Sign extends TileState, Colorable {
+      * outside of this event is undefined.
+      *
+      * @param editable if this sign is currently editable
++     * @deprecated use {@link #setWaxed(boolean)}
+      */
++    @Deprecated // Paper
+     public void setEditable(boolean editable);
+ 
++    // Paper start
++    /**
++     * Gets whether the sign has been waxed and therefore prevents editing.
++     *
++     * @return true if waxed
++     */
++    boolean isWaxed();
++
++    /**
++     * Sets whether the sign is waxed.
++     *
++     * @param waxed true to wax and therefore prevent editing
++     */
++    void setWaxed(boolean waxed);
++    // Paper end
++
+     /**
+      * Gets whether this sign has glowing text. Only affects the {@link Side#FRONT}.
+      *