[V1.2.1] Pressing Enter to confirm Japanese IME conversion sends the message

[Koyukopan]

When typing in Japanese, pressing the Enter key to confirm kanji conversion is treated as the send action. This makes it difficult to finish composing a message properly with a Japanese IME.

[makiroll1125]

Only occurs on macOS devices like MacBook, does not occur on Windows.

[makiroll1125]

Consider modifying Chat.tsx to check isComposing:

if (e.key === 'Enter' && !e.shiftKey && !e.nativeEvent.isComposing) {
e.preventDefault()

if (autocompleteRef.current?.handleEnter()) {
return
}

handleSend()
}