[BUG] Permalink of reply message in Single Thread Screen doesn't work

[IlarionHalushka]

Steps to reproduce:

• open Single Thread Screen
• long press on reply text message
• choose Permalink in actionsheet

Expected: a success toast displayed and a link to the message is copied to clipboard.
Actual: no toast, no link copied to clipboard.

NOTE: works fine on Single Room View Screen.

• Your Rocket.Chat Experimental app version: 1.12.0.6971
• Your Rocket.Chat server version: open.rocket.chat
• Device (or Simulator) you're running with: Iphone SE