feat: better texture for causality anchor

common/src/main/kotlin/quaedam/misc/causality/CABlock.kt

@@ -4,6 +4,7 @@ import net.minecraft.core.BlockPos
 import net.minecraft.core.Direction
 import net.minecraft.world.item.context.BlockPlaceContext
 import net.minecraft.world.level.BlockGetter
+import net.minecraft.world.level.Level
 import net.minecraft.world.level.LevelAccessor
 import net.minecraft.world.level.block.*
 import net.minecraft.world.level.block.state.BlockState
@@ -87,4 +88,19 @@ object CABlock : HorizontalDirectionalBlock(
         super.getFluidState(state)
     }
 
+    @Suppress("OVERRIDE_DEPRECATION", "DEPRECATION")
+    override fun neighborChanged(
+        state: BlockState,
+        level: Level,
+        pos: BlockPos,
+        neighborBlock: Block,
+        neighborPos: BlockPos,
+        movedByPiston: Boolean
+    ) {
+        super.neighborChanged(state, level, pos, neighborBlock, neighborPos, movedByPiston)
+        if (level.getBlockState(pos.below()).isAir) {
+            level.destroyBlock(pos, true)
+        }
+    }
+
 }