SkullEntity: Removed occurence of overwriting a variable with a value of a different type

Author: ColinHDev

src/ColinHDev/CSkull/entities/SkullEntity.php

@@ -238,12 +238,12 @@ public function onChunkPopulated(int $chunkX, int $chunkZ, Chunk $chunk) : void
     public function onBlockChanged(Vector3 $block) : void {
         // This method is called when a block is changed with World::setBlockAt(), e.g. when a block is broken by an
         // explosion. That's why we need to check if this entity can still exist on its position.
-        $block = $this->getBlockAtPosition();
-        if (!SkullEntityManager::isBlockValid($block)) {
+        $blockAtPosition = $this->getBlockAtPosition();
+        if (!SkullEntityManager::isBlockValid($blockAtPosition)) {
             // It can be despawned as it's supporting skull block is broken.
             $this->flagForDespawn();
             // As the skull block was broken, we can also remove that row from the database.
-            $position = $block->getPosition();
+            $position = $blockAtPosition->getPosition();
             DataProvider::getInstance()->deleteSkullByPosition(
                 $position->world->getFolderName(),
                 $position->x,