Fix media query used to prevent enter sending DM on mobile web (#6669)

src/screens/Messages/components/MessageInput.web.tsx

@@ -38,7 +38,7 @@ export function MessageInput({
   children?: React.ReactNode
   openEmojiPicker?: (pos: EmojiPickerPosition) => void
 }) {
-  const {isTabletOrDesktop} = useWebMediaQueries()
+  const {isMobile} = useWebMediaQueries()
   const {_} = useLingui()
   const t = useTheme()
   const {getDraft, clearDraft} = useMessageDraft()
@@ -212,7 +212,7 @@ export function MessageInput({
           onChange={onChange}
           // On mobile web phones, we want to keep the same behavior as the native app. Do not submit the message
           // in these cases.
-          onKeyDown={isTouchDevice && isTabletOrDesktop ? undefined : onKeyDown}
+          onKeyDown={isTouchDevice && isMobile ? undefined : onKeyDown}
         />
         <Pressable
           accessibilityRole="button"