TypeError: Cannot read properties of undefined (reading 'charCodeAt')

[sentry]

Downloading channel details fails when the channel has imported content from a channel that does not have a thumbnail

---

Sentry Issue: STUDIO-GFM

TypeError: Cannot read properties of undefined (reading 'charCodeAt')
  at recurseNodes (./shared/utils/helpers.js:268:15)
  at HTMLCollection.map (<anonymous>)
  at recurseNodes (./shared/utils/helpers.js:188:16)
  at HTMLCollection.map (<anonymous>)
  at recurseNodes (./shared/utils/helpers.js:188:16)
...
(14 additional frame(s) were not displayed)

[bjester]

Prioritizing for a patch to minimize noise

[bjester]

Closed by #4199