[BUG] Quick reply mentions no longer displaying list of selectable people/groups.

[saesrpg]

Smartphone / Desktop: (please complete the following information)

• NodeBB version: 1.14.2
• NodeBB git hash: (git rev-parse HEAD) 28970b030d21a9e839804b0c40e0ed1c520502ac
  • Device: Desktop
  • OS: Windows 10
  • Browser: Firefox 79.0 (x64)

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Describe the bug Mentions in the quick reply no longer show a selectable list of people or groups to mention.

The list still shows up correctly in full composer.

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Additional context / Screenshots N/A