fix: default value for direction in configProvider (#6890)

* fix: default value for direction in configProvider

* update defaultConfigProvider

components/config-provider/context.ts

@@ -88,6 +88,7 @@ export const configProviderProps = () => ({
   componentDisabled: { type: Boolean, default: undefined },
   direction: {
     type: String as PropType<'ltr' | 'rtl'>,
+    default: 'ltr',
   },
   space: objectType<{ size?: SizeType | number }>(),
   virtual: { type: Boolean, default: undefined },
@@ -155,6 +156,7 @@ export const defaultConfigProvider: ConfigProviderInnerProps = {
   },
   iconPrefixCls: computed(() => defaultIconPrefixCls),
   getPopupContainer: computed(() => () => document.body),
+  direction: computed(() => 'ltr'),
 };
 
 export const useConfigContextInject = () => {