Pig spawner into other spawners

[HSavageheart]

Game Information

• What mode were you playing in when the issue arose? (Survival,Server)
• What mods had you unlocked in your game? Silent gear, RF Tools, Mekanism, Ender IO, Botania, Random things, ender utilities, DeepMobLearning.

Bug Report

The pig spawners that spawn in caves when placed they spawn pigs once and change into another spawner and i was lucky with a wither boss spawner..... they change into random spawners have had it happen multiple times

Expected Behavior

spawner staying as a pig spawner

Steps to Reproduce

Provide a link to a live example, or an unambiguous set of steps to reproduce the issue

1. http://prntscr.com/r2b4fy (Add more as needed)

Client Information

Please provide as much information as possible about your setup when experiencing this issue.

• Modpack Version: 0.4.2b
• Java Version: version 8 Update 241
• Launcher Used: Multimc
• Memory Allocated: 8GB
• Server/LAN/Single Player: Beta Test Server
• Optifine Installed: NO
• Shaders Enabled: NO