Issue description:

Breaking Exporters doesn't drop installed filters

What happens:

No filters drop

What you expected to happen:

Filters to drop

Steps to reproduce:

1. Place Exporter
2. Insert filter
3. Break Exporter

Version (make sure you are on the latest version before reporting):

• Minecraft: 1.12.2
• Forge: 14.23.0.3532
• Refined Storage: 1.15.21

Does this issue occur on a server? [yes/no]
Yes

Read before creating an issue. Literally 3 issues under you: #1531 -.-