Crashes when trying to add one toolbar item multiple times by spamming the add button

Reproduction steps

1. Go into toolbar settings
2. Hold any unadded item’s list component (not the plus button)
3. Spam the plus button

Info

App version: 1.3.19 (7) (WebKit 8620.1.16.10.11)
System version: 18.2.0
Device type: iPhone 11
Native bounds: (828.0, 1792.0)
Scale: 2.0
Regular tabs: 10/https://orionfeedback.org/
Private tabs: 0/(

Video