広場投稿追加画面の刷新 (#399) (#413)

Reviewed-on: http://git.miteruzo.com/miteruzo/btrc-hub/pulls/413
Co-authored-by: miteruzo <miteruzo@naver.com>
Co-committed-by: miteruzo <miteruzo@naver.com>

frontend/src/lib/useKeyboardShortcuts.tsx

@@ -25,7 +25,6 @@ import {
     getEffectiveKeyBindings,
     setClientKeyboardSettings,
 } from '@/lib/settings'
-import { useUnsavedChangesGuard } from '@/lib/useUnsavedChangesGuard'
 
 import type {
     KeyBinding,
@@ -97,7 +96,6 @@ const focusSearchTarget = (): void => {
 export const KeyboardShortcutsProvider = ({ children }: PropsWithChildren) => {
   const location = useLocation ()
   const navigate = useNavigate ()
-  const { confirmDiscardNavigation } = useUnsavedChangesGuard ()
 
   const [keyboardSettings, setKeyboardSettingsState] =
       useState<ClientKeyboardSettings> (() => getClientKeyboardSettings ())
@@ -149,11 +147,8 @@ export const KeyboardShortcutsProvider = ({ children }: PropsWithChildren) => {
   }, [])
 
   const guardedNavigate = useCallback ((path: string) => {
-    confirmDiscardNavigation ().then (confirmed => {
-      if (confirmed)
-	navigate (path)
-    })
-  }, [confirmDiscardNavigation, navigate])
+    navigate (path)
+  }, [navigate])
 
   const builtinHandlers = useMemo<ShortcutHandlers> (
       () => ({