[Bug] - Finishing Plot gives exception

[Zoriot]

Description

Creating the schematic step fails.
It seems there a 2 issues. 1) we do some stuff async which we shouldn't do 2) the selection we make is wrong? At least when starting fresh 👀🤔

Steps to Reproduce

1. Start with nothing - Follow the Wiki Entry for setup
2. Review Plot
3. See Empty schematic + error in console + the plot is voided on the plotworld

[00:33:27] [Craft Scheduler Thread - 56 - Plot-System/INFO]: [VoidGen] {"caves":false,"decoration":false,"mobs":false,"structures":false,"noise":false,"surface":false,"bedrock":false}
[00:33:27] [Craft Scheduler Thread - 56 - Plot-System/WARN]: java.lang.IllegalStateException: WorldBorderCenterChangeEvent may only be triggered synchronously.
[00:33:27] [Craft Scheduler Thread - 56 - Plot-System/WARN]: 	at io.papermc.paper.plugin.manager.PaperEventManager.callEvent(PaperEventManager.java:42)
[00:33:27] [Craft Scheduler Thread - 56 - Plot-System/WARN]: 	at io.papermc.paper.plugin.manager.PaperPluginManagerImpl.callEvent(PaperPluginManagerImpl.java:131)
[00:33:27] [Craft Scheduler Thread - 56 - Plot-System/WARN]: 	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:628)
[00:33:27] [Craft Scheduler Thread - 56 - Plot-System/WARN]: 	at org.bukkit.event.Event.callEvent(Event.java:45)
[00:33:27] [Craft Scheduler Thread - 56 - Plot-System/WARN]: 	at net.minecraft.world.level.border.WorldBorder.setCenter(WorldBorder.java:150)
[00:33:27] [Craft Scheduler Thread - 56 - Plot-System/WARN]: 	at net.minecraft.world.level.border.WorldBorder.applySettings(WorldBorder.java:302)
[00:33:27] [Craft Scheduler Thread - 56 - Plot-System/WARN]: 	at net.minecraft.server.MinecraftServer.initWorld(MinecraftServer.java:761)
[00:33:27] [Craft Scheduler Thread - 56 - Plot-System/WARN]: 	at org.bukkit.craftbukkit.CraftServer.createWorld(CraftServer.java:1464)
[00:33:27] [Craft Scheduler Thread - 56 - Plot-System/WARN]: 	at org.bukkit.Bukkit.createWorld(Bukkit.java:838)
[00:33:27] [Craft Scheduler Thread - 56 - Plot-System/WARN]: 	at org.bukkit.WorldCreator.createWorld(WorldCreator.java:502)
[00:33:27] [Craft Scheduler Thread - 56 - Plot-System/WARN]: 	at multiverse-core-4.3.14.jar//com.onarandombox.MultiverseCore.utils.WorldManager.doLoad(WorldManager.java:486)
[00:33:27] [Craft Scheduler Thread - 56 - Plot-System/WARN]: 	at multiverse-core-4.3.14.jar//com.onarandombox.MultiverseCore.utils.WorldManager.doLoad(WorldManager.java:467)
[00:33:27] [Craft Scheduler Thread - 56 - Plot-System/WARN]: 	at multiverse-core-4.3.14.jar//com.onarandombox.MultiverseCore.utils.WorldManager.doLoad(WorldManager.java:442)
[00:33:27] [Craft Scheduler Thread - 56 - Plot-System/WARN]: 	at multiverse-core-4.3.14.jar//com.onarandombox.MultiverseCore.utils.WorldManager.loadWorld(WorldManager.java:423)
[00:33:27] [Craft Scheduler Thread - 56 - Plot-System/WARN]: 	at PlotSystem-4.1-SNAPSHOT.jar//com.alpsbte.plotsystem.core.system.plot.world.PlotWorld.loadWorld(PlotWorld.java:105)
[00:33:27] [Craft Scheduler Thread - 56 - Plot-System/WARN]: 	at PlotSystem-4.1-SNAPSHOT.jar//com.alpsbte.plotsystem.core.system.plot.generator.AbstractPlotGenerator.pasteSchematic(AbstractPlotGenerator.java:304)
[00:33:27] [Craft Scheduler Thread - 56 - Plot-System/WARN]: 	at PlotSystem-4.1-SNAPSHOT.jar//com.alpsbte.plotsystem.core.system.plot.utils.PlotUtils.savePlotAsSchematic(PlotUtils.java:259)
[00:33:27] [Craft Scheduler Thread - 56 - Plot-System/WARN]: 	at PlotSystem-4.1-SNAPSHOT.jar//com.alpsbte.plotsystem.core.menus.ReviewPlotMenu.lambda$setItemClickEventsAsync$6(ReviewPlotMenu.java:213)
[00:33:27] [Craft Scheduler Thread - 56 - Plot-System/WARN]: 	at org.bukkit.craftbukkit.scheduler.CraftTask.run(CraftTask.java:78)
[00:33:27] [Craft Scheduler Thread - 56 - Plot-System/WARN]: 	at org.bukkit.craftbukkit.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:57)
[00:33:27] [Craft Scheduler Thread - 56 - Plot-System/WARN]: 	at com.destroystokyo.paper.ServerSchedulerReportingWrapper.run(ServerSchedulerReportingWrapper.java:22)
[00:33:27] [Craft Scheduler Thread - 56 - Plot-System/WARN]: 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
[00:33:27] [Craft Scheduler Thread - 56 - Plot-System/WARN]: 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
[00:33:27] [Craft Scheduler Thread - 56 - Plot-System/WARN]: 	at java.base/java.lang.Thread.run(Thread.java:1583)
[00:33:27] [Craft Scheduler Thread - 56 - Plot-System/ERROR]: [Multiverse-Core] The world 'C-1' could NOT be loaded because it contains errors and is probably corrupt!
[00:33:27] [Craft Scheduler Thread - 56 - Plot-System/ERROR]: [Multiverse-Core] Try using Minecraft Region Fixer to repair your world! 'C-1'
[00:33:27] [Craft Scheduler Thread - 56 - Plot-System/ERROR]: [Multiverse-Core] https://github.com/Fenixin/Minecraft-Region-Fixer

What I tried:

• Deleting C-1 / All Worlds
• Using a Older Version of ps
• Making the named code run sync -> then no error is in the console, but still no valid schematic
• Copy the "finished" schematics manually & paste it with FAWE - there is just a selection of void mainly.
• Select + save + paste normal Selection with FAWE - works correctly