AI Chat / Tutor: Fix copyable code overlay bug when content overflows (scrolling) #69331
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This PR fixes a bug that occured when copyable code overflows its container. In this case, the overlay, that indicates the code was successfully copied, was scrolling with the content and no longer covering the content. The fix makes the overlay stay in place so that the text "Copied" is always centered and the overlay fully covers the copied code as intended.
Before (AI Tutor):
background-bug.mov
After (AI Tutor):
Screen.Recording.2025-11-05.at.12.28.58.PM.mov
After (AI Chat):
Screen.Recording.2025-11-05.at.12.34.28.PM.mov
Links
This was mentioned in slack here and the Jira ticket is here.
Testing story
The fix was manually tested in both AI tutor and AI Chat.
PR Creation Checklist: