feat: update currentPage state in DialogPaginationBuilder on page change

Author: ammodev

surf-api-bukkit/surf-api-bukkit-api/src/main/kotlin/dev/slne/surf/surfapi/bukkit/api/dialog/builder/DialogPaginationBuilder.kt

@@ -143,6 +143,8 @@ class DialogPaginationBuilder<T> {
 
             if (newPage == currentPage) return@playerCallback
 
+            currentPage = newPage
+
             player.showDialog(this@DialogPaginationBuilder.build())
         }
     }