refactor: replace fully qualified class names with imports and simplify code readability across rendering modules

src/main/java/eu/mhsl/minecraft/pixelpics/survival/CameraItems.java

@@ -8,6 +8,7 @@ import net.kyori.adventure.text.format.NamedTextColor;
 import net.kyori.adventure.text.format.TextDecoration;
 import org.bukkit.Bukkit;
 import org.bukkit.Material;
+import org.bukkit.NamespacedKey;
 import org.bukkit.inventory.EquipmentSlot;
 import org.bukkit.inventory.ItemStack;
 import org.bukkit.inventory.meta.ItemMeta;
@@ -112,7 +113,7 @@ public final class CameraItems {
 
     // --- internals ---
 
-    private static boolean hasMarker(ItemStack item, org.bukkit.NamespacedKey key) {
+    private static boolean hasMarker(ItemStack item, NamespacedKey key) {
         if (item == null || item.getType() != Material.PLAYER_HEAD || !item.hasItemMeta()) return false;
         PersistentDataContainer pdc = item.getItemMeta().getPersistentDataContainer();
         return pdc.has(key, PersistentDataType.BYTE);