Implement items layout sorter for spawner storage GUI and update vi_VN translations

[Copilot]

This PR implements a new items layout sorter feature for the spawner storage GUI and updates Vietnamese language translations to match the latest English content.

New Features

Items Layout Sorter

• Replaces discard button: The discard_all button in slot 3 of the storage GUI has been replaced with a new sort_items button using a COMPARATOR material
• Dynamic sorting: Players can now cycle through available loot items to prioritize which item type appears first in their spawner storage
• Visual feedback: The sort button displays a dynamic lore showing:
  • Current sort preference with highlighting
  • All available loot items with color coding (green for selected, gray for others)
  • Click instruction for cycling through options
• Persistent preferences: Sort selections are saved per spawner and restored on server restart
• Smart cycling: Items are sorted alphabetically and cycle through all available loot types for that spawner

Implementation Details

Backend Changes:

• Added preferredSortItem field to SpawnerData for persistence
• Extended SpawnerFileHandler to save/load sort preferences
• Implemented VirtualInventory.sortItems() method to prioritize selected material types
• Added handleSortItemsClick() method following the same pattern as SpawnerListGUI.onSpawnerListClick()

Performance Optimizations:

• Uses cached sorted lists to minimize repeated sorting operations
• Only invalidates display caches when necessary
• Leverages existing VirtualInventory sorting infrastructure
• Minimal UI updates with targeted inventory slot changes

Language Updates

Vietnamese (vi_VN) Translation Sync

• gui.yml: Added missing Bedrock GUI section and updated existing translations
• messages.yml: Fixed malformed entries and added new sort-related messages
• Complete localization: All new sort functionality includes proper Vietnamese translations

New Language Keys

# English
sort_items_button:
  name: 'Sort Items'
  lore: # Dynamic lore with current sort and available items

sort_changed:
  message: "Item sort changed to: %item%"

# Vietnamese  
sort_items_button:
  name: 'sắp xếp vật phẩm'
  lore: # Localized dynamic lore

sort_changed:
  message: "sắp xếp vật phẩm đã chuyển thành: %item%"

User Experience

Players can now:

1. Click the sort button (COMPARATOR icon) in their spawner storage GUI
2. Cycle through available items that the spawner can drop
3. See immediate visual feedback with the selected item appearing first in storage
4. Have their preference remembered for each individual spawner
5. Enjoy multilingual support with proper Vietnamese translations

The feature integrates seamlessly with existing permissions (smartspawner.storage) and provides audio/visual feedback consistent with the rest of the plugin's GUI system.

Files Changed

• Core Logic: SpawnerData.java, VirtualInventory.java, SpawnerFileHandler.java
• GUI System: SpawnerStorageUI.java, SpawnerStorageAction.java
• Configuration: storage_gui.yml layout file
• Localization: en_US/ and vi_VN/ language files

This enhancement significantly improves spawner storage management by allowing players to organize their items based on their preferred collection priorities, while maintaining optimal server performance through intelligent caching strategies.

Warning

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I tried to connect to the following addresses, but was blocked by firewall rules:

• jitpack.io
  • Triggering command: /usr/lib/jvm/temurin-17-jdk-amd64/bin/java --add-opens=java.base/java.util=ALL-UNNAMED --add-opens=java.base/java.lang=ALL-UNNAMED --add-opens=java.base/java.lang.invoke=ALL-UNNAMED --add-opens=java.prefs/java.util.prefs=ALL-UNNAMED --add-opens=java.base/java.nio.charset=ALL-UNNAMED --add-opens=java.base/java.net=ALL-UNNAMED --add-opens=java.base/java.util.concurrent.atomic=ALL-UNNAMED -XX:MaxMetaspaceSize=384m -XX:+HeapDumpOnOutOfMemoryError -Xms256m -Xmx512m -Dfile.encoding=UTF-8 -Duser.country -Duser.language=en -Duser.variant -cp /home/REDACTED/.gradle/wrapper/dists/gradle-8.8-bin/dl7vupf4psengwqhwktix4v1/gradle-8.8/lib/gradle-launcher-8.8.jar -javaagent:/home/REDACTED/.gradle/wrapper/dists/gradle-8.8-bin/dl7vupf4psengwqhwktix4v1/gradle-8.8/lib/agents/gradle-instrumentation-agent-8.8.jar org.gradle.launcher.daemon.bootstrap.GradleDaemon 8.8 (dns block)
• maven.enginehub.org
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• mvn.lumine.io
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• nexus.iridiumdevelopment.net
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• repo.bg-software.com
• repo.codemc.io
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• repo.glaremasters.me
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• repo.nightexpressdev.com
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• repo.opencollab.dev
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• repo.papermc.io
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• repository.minecodes.pl
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Original prompt

Help me update & translate the lang file for vi_VN there are updates in en_US with gui.yml, items.yml, messages.yml

Implement an items layout sorter for spawner storage (replace the discard button with this), whatever item is selected will be sorted first on the spawner storage gui you can use the reference for sorting in SpawnerListGUI.onSpawnerListClick() to make the sort button the lore will be each line with all item available for drop from that spawner, I want to make it similar with the lore selecting have color. Make sure it optimize for server performance,. And you can save spawner sort item first to the spawner data for next time use

don't need to write javadocs

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