Deprecate API relating to menu title changes (#11309)

patches/api/Fix-Spigot-annotation-mistakes.patch

@@ -1538,6 +1538,27 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
      public ItemStack getCursor();
  
      /**
+@@ -0,0 +0,0 @@ public interface InventoryView {
+      * made using {@link #setTitle(String)}.
+      *
+      * @return the original title
++     * @deprecated changing the title is not supported
+      */
+     @NotNull
++    @Deprecated(since = "1.21.1") // Paper
+     public String getOriginalTitle();
+ 
+     /**
+@@ -0,0 +0,0 @@ public interface InventoryView {
+      * exception.
+      *
+      * @param title The new title.
++     * @deprecated changing the title is not supported. This method has
++     * poorly defined and broken behaviors. It should not be used.
+      */
++    @Deprecated(since = "1.21.1") // Paper
+     public void setTitle(@NotNull String title);
+ }
 diff --git a/src/main/java/org/bukkit/inventory/ItemFactory.java b/src/main/java/org/bukkit/inventory/ItemFactory.java
 index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
 --- a/src/main/java/org/bukkit/inventory/ItemFactory.java