Describe the bug
You are able to use Quark's reacharound placing feature to place blocks in lava.

To Reproduce
Place a block directly above lava and stand on it. Use reacharound placing to place a block under the block you are standing on. Second block is now in lava and has destroyed that lava block.

Expected behavior
Not able to place blocks in lava

Screenshots

Info

• Modpack Version: 3.0 Beta 2
• Server or Singleplayer: Singleplayer
• Version the world was created on: 3.0 Beta 2