v3.8.0

• Release: 3.8.0 (eb0183c)
• Fix: Don't destroy a thread that still has comments it hides (#330) (ff0bc9b), closes #330
• Fix: Emit different event to avoid thread de-reference on comment delete (#331) (2ead4a0), closes #331
• Fix: Highlight selection on Surface (#326) (6a3b83a), closes #326
• Fix: Import correct styling for flyout component (#325) (14d65f6), closes #325
• Fix: Prevent API delete of an unsaved drawing annotation (#334) (5c3f188), closes #334
• Fix: Prevent pending drawings from disappearing (#333) (1415c23), closes #333
• Update Translations (#328) (39805b8), closes #328
• Update Translations (#332) (cb73f8a), closes #332
• Chore: Add escape hotkey on AnnotationPopover (#327) (e92ec85), closes #327
• Chore: Update testing site to preview v1.63.0 (#329) (309c427), closes #329