Fixed Mobs' AI getting stuck in the terrasteel plate.

src/main/java/vazkii/botania/common/block/mana/BlockTerraPlate.java

@@ -16,6 +16,7 @@ import net.minecraft.entity.player.EntityPlayer;
 import net.minecraft.item.ItemStack;
 import net.minecraft.tileentity.TileEntity;
 import net.minecraft.util.IIcon;
+import net.minecraft.world.IBlockAccess;
 import net.minecraft.world.World;
 import vazkii.botania.api.lexicon.ILexiconable;
 import vazkii.botania.api.lexicon.LexiconEntry;
@@ -48,6 +49,11 @@ public class BlockTerraPlate extends BlockModContainer implements ILexiconable {
 	public boolean isOpaqueCube() {
 		return false;
 	}
+	
+	@Override
+	public boolean getBlocksMovement(IBlockAccess p_149655_1_, int p_149655_2_, int p_149655_3_, int p_149655_4_) {
+		return false;
+	}
 
 	@Override
 	public void registerBlockIcons(IIconRegister par1IconRegister) {