!7407 修改inputmethod文档

Merge pull request !7407 from mashaoyin/OpenHarmony-3.2-Beta2

zh-cn/application-dev/reference/apis/js-apis-inputmethod.md

@@ -10,7 +10,7 @@
 ## 导入模块
 
 ```
-import inputMethod from '@ohos.inputMethod';
+import inputMethod from '@ohos.inputmethod';
 ```
 
 ## inputMethod<sup>8+</sup>

zh-cn/application-dev/reference/apis/js-apis-inputmethodengine.md

@@ -8,7 +8,7 @@
 ## 导入模块
 
 ```
-import inputMethodEngine from '@ohos.inputMethodEngine';
+import inputMethodEngine from '@ohos.inputmethodengine';
 ```
 
 ## inputMethodEngine