feat: count the number of generated images (#930)

feat: add hover effect on message button (#929)

feat: keep unsent content in chat message box (#927)

feat: support image output (#925)

* feat: support image output

* feat: support image output

feat: fix the retained old status bug during chat switch (#926)

feat: add permission check for voice input (#923)

feat: update i18n translations (#924)

feat: support voice input (#922)

feat: add update-message API to isAllowedInDemoMode()

feat: fix bug that the first AI message cannot be regenerated (#917)

* fix: the first AI message cannot be regenerated

* fix: the first AI message cannot be regenerated

* fix: the first AI message cannot be regenerated

* fix: the first AI message cannot be regenerated