Port blockstate validation patch (#13786)

Author: Warriorrrr

paper-server/patches/sources/net/minecraft/world/level/block/ComparatorBlock.java.patch

@@ -1,5 +1,14 @@
 --- a/net/minecraft/world/level/block/ComparatorBlock.java
 +++ b/net/minecraft/world/level/block/ComparatorBlock.java
+@@ -137,7 +_,7 @@
+             float pitch = state.getValue(MODE) == ComparatorMode.SUBTRACT ? 0.55F : 0.5F;
+             level.playSound(player, pos, SoundEvents.COMPARATOR_CLICK, SoundSource.BLOCKS, 0.3F, pitch);
+             level.setBlock(pos, state, Block.UPDATE_CLIENTS);
+-            this.refreshOutputState(level, pos, state);
++            if (level.getBlockState(pos).is(this)) { this.refreshOutputState(level, pos, state); } // Paper - Fix blockstate validation issues
+             return InteractionResult.SUCCESS;
+         }
+     }
 @@ -168,8 +_,18 @@
              boolean sourceOn = this.shouldTurnOn(level, pos, state);
              boolean isOn = state.getValue(POWERED);

paper-server/patches/sources/net/minecraft/world/level/block/DiodeBlock.java.patch

@@ -19,3 +19,11 @@
                  level.setBlock(pos, state.setValue(POWERED, true), Block.UPDATE_CLIENTS);
                  if (!shouldTurnOn) {
                      level.scheduleTick(pos, this, this.getDelay(state), TickPriority.VERY_HIGH);
+@@ -85,6 +_,7 @@
+     protected void neighborChanged(
+         final BlockState state, final Level level, final BlockPos pos, final Block block, final @Nullable Orientation orientation, final boolean movedByPiston
+     ) {
++        if (!level.getBlockState(pos).is(this)) return; // Paper - Fix blockstate validation issues
+         if (state.canSurvive(level, pos)) {
+             this.checkTickOnNeighbor(level, pos, state);
+         } else {